121011021121002 has 32 divisors (see below), whose sum is σ = 244988356170240. Its totient is φ = 39843536071680.

The previous prime is 121011021120991. The next prime is 121011021121013. The reversal of 121011021121002 is 200121120110121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121011021120991) and next prime (121011021121013).

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, 113806023 + ... + 114864410.

It is an arithmetic number, because the mean of its divisors is an integer number (7655886130320).

Almost surely, 2^{121011021121002} is an apocalyptic number.

121011021121002 is an abundant number, since it is smaller than the sum of its proper divisors (123977335049238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121011021121002 is a wasteful number, since it uses less digits than its factorization.

121011021121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228671518.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121011021121002 its reverse (200121120110121), we get a palindrome (321132141231123).

The spelling of 121011021121002 in words is "one hundred twenty-one trillion, eleven billion, twenty-one million, one hundred twenty-one thousand, two".