121214321022 has 16 divisors (see below), whose sum is σ = 242433873792. Its totient is φ = 40403901720.

The previous prime is 121214320979. The next prime is 121214321027. The reversal of 121214321022 is 220123412121.

It is a happy number.

It is a super-2 number, since 2×121214321022² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121214321022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121214321027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124633 + ... + 507899.

It is an arithmetic number, because the mean of its divisors is an integer number (15152117112).

Almost surely, 2^121214321022 is an apocalyptic number.

121214321022 is an abundant number, since it is smaller than the sum of its proper divisors (121219552770).

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

121214321022 is a wasteful number, since it uses less digits than its factorization.

121214321022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435983.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121214321022 its reverse (220123412121), we get a palindrome (341337733143).

The spelling of 121214321022 in words is "one hundred twenty-one billion, two hundred fourteen million, three hundred twenty-one thousand, twenty-two".