121010221002 has 32 divisors (see below), whose sum is σ = 264197251584. Its totient is φ = 36645465200.

The previous prime is 121010220997. The next prime is 121010221061. The reversal of 121010221002 is 200122010121.

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, 506988 + ... + 706439.

It is an arithmetic number, because the mean of its divisors is an integer number (8256164112).

Almost surely, 2^121010221002 is an apocalyptic number.

121010221002 is an abundant number, since it is smaller than the sum of its proper divisors (143187030582).

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

121010221002 is a wasteful number, since it uses less digits than its factorization.

121010221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214954.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121010221002 its reverse (200122010121), we get a palindrome (321132231123).

The spelling of 121010221002 in words is "one hundred twenty-one billion, ten million, two hundred twenty-one thousand, two".