121021211122 has 16 divisors (see below), whose sum is σ = 208395274752. Its totient is φ = 51633648000.

The previous prime is 121021211093. The next prime is 121021211161. The reversal of 121021211122 is 221112120121.

It is a super-2 number, since 2×121021211122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121021211096 and 121021211105.

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 7 ways as a sum of consecutive naturals, for example, 19378879 + ... + 19385122.

It is an arithmetic number, because the mean of its divisors is an integer number (13024704672).

Almost surely, 2^121021211122 is an apocalyptic number.

121021211122 is a deficient number, since it is larger than the sum of its proper divisors (87374063630).

121021211122 is a wasteful number, since it uses less digits than its factorization.

121021211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38764233.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121021211122 its reverse (221112120121), we get a palindrome (342133331243).

The spelling of 121021211122 in words is "one hundred twenty-one billion, twenty-one million, two hundred eleven thousand, one hundred twenty-two".