121101112021022 has 32 divisors (see below), whose sum is σ = 227393568803520. Its totient is φ = 47163110561280.

The previous prime is 121101112021007. The next prime is 121101112021117. The reversal of 121101112021022 is 220120211101121.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8772893129 + ... + 8772906932.

It is an arithmetic number, because the mean of its divisors is an integer number (7106049025110).

Almost surely, 2^{121101112021022} is an apocalyptic number.

121101112021022 is a deficient number, since it is larger than the sum of its proper divisors (106292456782498).

121101112021022 is a wasteful number, since it uses less digits than its factorization.

121101112021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17545800116.

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

Adding to 121101112021022 its reverse (220120211101121), we get a palindrome (341221323122143).

The spelling of 121101112021022 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred twelve million, twenty-one thousand, twenty-two".