121202100022 has 32 divisors (see below), whose sum is σ = 189120282624. Its totient is φ = 58193704800.

The previous prime is 121202100017. The next prime is 121202100059. The reversal of 121202100022 is 220001202121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121202099975 and 121202100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5184123 + ... + 5207449.

It is an arithmetic number, because the mean of its divisors is an integer number (5910008832).

Almost surely, 2^121202100022 is an apocalyptic number.

121202100022 is a deficient number, since it is larger than the sum of its proper divisors (67918182602).

121202100022 is a wasteful number, since it uses less digits than its factorization.

121202100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24004.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 121202100022 its reverse (220001202121), we get a palindrome (341203302143).

The spelling of 121202100022 in words is "one hundred twenty-one billion, two hundred two million, one hundred thousand, twenty-two".