201101021210 has 16 divisors (see below), whose sum is σ = 366343066656. Its totient is φ = 79471246608.

The previous prime is 201101021183. The next prime is 201101021221. The reversal of 201101021210 is 12120101102.

It is a junction number, because it is equal to n+sod(n) for n = 201101021191 and 201101021200.

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, 121144364 + ... + 121146023.

It is an arithmetic number, because the mean of its divisors is an integer number (22896441666).

Almost surely, 2^201101021210 is an apocalyptic number.

201101021210 is a deficient number, since it is larger than the sum of its proper divisors (165242045446).

201101021210 is a wasteful number, since it uses less digits than its factorization.

201101021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242290477.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201101021210 its reverse (12120101102), we get a palindrome (213221122312).

The spelling of 201101021210 in words is "two hundred one billion, one hundred one million, twenty-one thousand, two hundred ten".