2141221101412 has 12 divisors (see below), whose sum is σ = 3967556746860. Its totient is φ = 1007633459456.

The previous prime is 2141221101401. The next prime is 2141221101413. The reversal of 2141221101412 is 2141011221412.

It can be written as a sum of positive squares in 2 ways, for example, as 1493733729856 + 647487371556 = 1222184^2 + 804666^2 .

It is not an unprimeable number, because it can be changed into a prime (2141221101413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15744272737 + ... + 15744272872.

It is an arithmetic number, because the mean of its divisors is an integer number (330629728905).

Almost surely, 2^{2141221101412} is an apocalyptic number.

It is an amenable number.

2141221101412 is a deficient number, since it is larger than the sum of its proper divisors (1826335645448).

2141221101412 is a wasteful number, since it uses less digits than its factorization.

2141221101412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31488545630 (or 31488545628 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 2141221101412 its reverse (2141011221412), we get a palindrome (4282232322824).

The spelling of 2141221101412 in words is "two trillion, one hundred forty-one billion, two hundred twenty-one million, one hundred one thousand, four hundred twelve".