201111110021022 has 16 divisors (see below), whose sum is σ = 402223229854992. Its totient is φ = 67036868371520.

The previous prime is 201111110020981. The next prime is 201111110021053. The reversal of 201111110021022 is 220120011111102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201111110020992 and 201111110021010.

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, 39474129 + ... + 44276732.

It is an arithmetic number, because the mean of its divisors is an integer number (25138951865937).

Almost surely, 2^{201111110021022} is an apocalyptic number.

201111110021022 is an abundant number, since it is smaller than the sum of its proper divisors (201112119833970).

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

201111110021022 is a wasteful number, since it uses less digits than its factorization.

201111110021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84151083.

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

Adding to 201111110021022 its reverse (220120011111102), we get a palindrome (421231121132124).

The spelling of 201111110021022 in words is "two hundred one trillion, one hundred eleven billion, one hundred ten million, twenty-one thousand, twenty-two".