121210022122 has 8 divisors (see below), whose sum is σ = 207788609376. Its totient is φ = 51947152332.

The previous prime is 121210022107. The next prime is 121210022147. The reversal of 121210022122 is 221220012121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121210022096 and 121210022105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4328929348 + ... + 4328929375.

It is an arithmetic number, because the mean of its divisors is an integer number (25973576172).

Almost surely, 2^121210022122 is an apocalyptic number.

121210022122 is a deficient number, since it is larger than the sum of its proper divisors (86578587254).

121210022122 is an equidigital number, since it uses as much as digits as its factorization.

121210022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657858732.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121210022122 its reverse (221220012121), we get a palindrome (342430034243).

The spelling of 121210022122 in words is "one hundred twenty-one billion, two hundred ten million, twenty-two thousand, one hundred twenty-two".