201111000020122 has 16 divisors (see below), whose sum is σ = 315301022065152. Its totient is φ = 96025064533200.

The previous prime is 201111000020107. The next prime is 201111000020131. The reversal of 201111000020122 is 221020000111102.

It is a super-2 number, since 2×201111000020122² (a number of 29 digits) contains 22 as substring.

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, 3601272129 + ... + 3601327972.

It is an arithmetic number, because the mean of its divisors is an integer number (19706313879072).

Almost surely, 2^{201111000020122} is an apocalyptic number.

201111000020122 is a deficient number, since it is larger than the sum of its proper divisors (114190022045030).

201111000020122 is a wasteful number, since it uses less digits than its factorization.

201111000020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202600733.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201111000020122 its reverse (221020000111102), we get a palindrome (422131000131224).

The spelling of 201111000020122 in words is "two hundred one trillion, one hundred eleven billion, twenty thousand, one hundred twenty-two".