201111101022102 has 32 divisors (see below), whose sum is σ = 426315579328512. Its totient is φ = 63029493899904.

The previous prime is 201111101022089. The next prime is 201111101022107. The reversal of 201111101022102 is 201220101111102.

It is a happy number.

It is a super-2 number, since 2×201111101022102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111101022107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002787558 + ... + 1002988089.

It is an arithmetic number, because the mean of its divisors is an integer number (13322361854016).

Almost surely, 2^{201111101022102} is an apocalyptic number.

201111101022102 is an abundant number, since it is smaller than the sum of its proper divisors (225204478306410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201111101022102 is a wasteful number, since it uses less digits than its factorization.

201111101022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005776652.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201111101022102 its reverse (201220101111102), we get a palindrome (402331202133204).

The spelling of 201111101022102 in words is "two hundred one trillion, one hundred eleven billion, one hundred one million, twenty-two thousand, one hundred two".