201001221122102 has 32 divisors (see below), whose sum is σ = 304856461907712. Its totient is φ = 99385174262304.

The previous prime is 201001221122099. The next prime is 201001221122131. The reversal of 201001221122102 is 201221122100102.

It is a super-2 number, since 2×201001221122102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277929088 + ... + 1278086364.

It is an arithmetic number, because the mean of its divisors is an integer number (9526764434616).

Almost surely, 2^{201001221122102} is an apocalyptic number.

201001221122102 is a deficient number, since it is larger than the sum of its proper divisors (103855240785610).

201001221122102 is a wasteful number, since it uses less digits than its factorization.

201001221122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166052.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201001221122102 its reverse (201221122100102), we get a palindrome (402222343222204).

The spelling of 201001221122102 in words is "two hundred one trillion, one billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred two".