121022212021011 has 48 divisors (see below), whose sum is σ = 210776616793600. Its totient is φ = 65366544979584.

The previous prime is 121022212020979. The next prime is 121022212021013. The reversal of 121022212021011 is 110120212220121.

121022212021011 is a `hidden beast` number, since 1 + 210 + 2 + 221 + 20 + 210 + 1 + 1 = 666.

It is not a de Polignac number, because 121022212021011 - 2⁵ = 121022212020979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022212021013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114627826 + ... + 115678791.

Almost surely, 2^{121022212021011} is an apocalyptic number.

121022212021011 is a deficient number, since it is larger than the sum of its proper divisors (89754404772589).

121022212021011 is a wasteful number, since it uses less digits than its factorization.

121022212021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230307088 (or 230307085 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121022212021011 its reverse (110120212220121), we get a palindrome (231142424241132).

The spelling of 121022212021011 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred twelve million, twenty-one thousand, eleven".