121200022 has 16 divisors (see below), whose sum is σ = 184464000. Its totient is φ = 59716800.

The previous prime is 121200017. The next prime is 121200047. The reversal of 121200022 is 220002121.

It is a junction number, because it is equal to n+sod(n) for n = 121199981 and 121200008.

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, 61147 + ... + 63097.

It is an arithmetic number, because the mean of its divisors is an integer number (11529000).

Almost surely, 2^121200022 is an apocalyptic number.

121200022 is a deficient number, since it is larger than the sum of its proper divisors (63263978).

121200022 is a wasteful number, since it uses less digits than its factorization.

121200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 121200022 is about 11009.0881547928. The cubic root of 121200022 is about 494.8811359666.

Adding to 121200022 its reverse (220002121), we get a palindrome (341202143).

The spelling of 121200022 in words is "one hundred twenty-one million, two hundred thousand, twenty-two".