121201120022 has 16 divisors (see below), whose sum is σ = 189802103040. Its totient is φ = 57936419112.

The previous prime is 121201119973. The next prime is 121201120037. The reversal of 121201120022 is 220021102121.

It is a super-2 number, since 2×121201120022² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121201119979 and 121201120006.

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, 574658 + ... + 756725.

It is an arithmetic number, because the mean of its divisors is an integer number (11862631440).

Almost surely, 2^121201120022 is an apocalyptic number.

121201120022 is a deficient number, since it is larger than the sum of its proper divisors (68600983018).

121201120022 is a wasteful number, since it uses less digits than its factorization.

121201120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333387.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121201120022 its reverse (220021102121), we get a palindrome (341222222143).

The spelling of 121201120022 in words is "one hundred twenty-one billion, two hundred one million, one hundred twenty thousand, twenty-two".