222001121012 has 24 divisors (see below), whose sum is σ = 423913506240. Its totient is φ = 100887413760.

The previous prime is 222001120963. The next prime is 222001121057. The reversal of 222001121012 is 210121100222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351437 + ... + 753332.

It is an arithmetic number, because the mean of its divisors is an integer number (17663062760).

Almost surely, 2^222001121012 is an apocalyptic number.

222001121012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222001121012 is a deficient number, since it is larger than the sum of its proper divisors (201912385228).

222001121012 is a wasteful number, since it uses less digits than its factorization.

222001121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109351 (or 1109349 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222001121012 its reverse (210121100222), we get a palindrome (432122221234).

The spelling of 222001121012 in words is "two hundred twenty-two billion, one million, one hundred twenty-one thousand, twelve".