122121021002 has 16 divisors (see below), whose sum is σ = 195700619040. Its totient is φ = 56983413168.

The previous prime is 122121020993. The next prime is 122121021013. The reversal of 122121021002 is 200120121221.

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, 23980373 + ... + 23985464.

It is an arithmetic number, because the mean of its divisors is an integer number (12231288690).

Almost surely, 2^122121021002 is an apocalyptic number.

122121021002 is a deficient number, since it is larger than the sum of its proper divisors (73579598038).

122121021002 is a wasteful number, since it uses less digits than its factorization.

122121021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47965925.

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

Adding to 122121021002 its reverse (200120121221), we get a palindrome (322241142223).

The spelling of 122121021002 in words is "one hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, two".