121201011022 has 16 divisors (see below), whose sum is σ = 223755712992. Its totient is φ = 47947652640.

The previous prime is 121201011017. The next prime is 121201011031. The reversal of 121201011022 is 220110102121.

121201011022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 121201010993 and 121201011011.

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, 332969629 + ... + 332969992.

It is an arithmetic number, because the mean of its divisors is an integer number (13984732062).

Almost surely, 2^121201011022 is an apocalyptic number.

121201011022 is a deficient number, since it is larger than the sum of its proper divisors (102554701970).

121201011022 is a wasteful number, since it uses less digits than its factorization.

121201011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665939643.

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

Adding to 121201011022 its reverse (220110102121), we get a palindrome (341311113143).

The spelling of 121201011022 in words is "one hundred twenty-one billion, two hundred one million, eleven thousand, twenty-two".