121201102111022 has 32 divisors (see below), whose sum is σ = 199284559604352. Its totient is φ = 55057595940864.

The previous prime is 121201102111009. The next prime is 121201102111109. The reversal of 121201102111022 is 220111201102121.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519373043 + ... + 519606350.

It is an arithmetic number, because the mean of its divisors is an integer number (6227642487636).

Almost surely, 2^{121201102111022} is an apocalyptic number.

121201102111022 is a deficient number, since it is larger than the sum of its proper divisors (78083457493330).

121201102111022 is a wasteful number, since it uses less digits than its factorization.

121201102111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038979532.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121201102111022 its reverse (220111201102121), we get a palindrome (341312303213143).

The spelling of 121201102111022 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred two million, one hundred eleven thousand, twenty-two".