10121220211002 has 16 divisors (see below), whose sum is σ = 20244372631392. Its totient is φ = 3373418035440.

The previous prime is 10121220210991. The next prime is 10121220211061. The reversal of 10121220211002 is 20011202212101.

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, 80440624 + ... + 80566347.

It is an arithmetic number, because the mean of its divisors is an integer number (1265273289462).

Almost surely, 2^{10121220211002} is an apocalyptic number.

10121220211002 is an abundant number, since it is smaller than the sum of its proper divisors (10123152420390).

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

10121220211002 is a wasteful number, since it uses less digits than its factorization.

10121220211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161017453.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10121220211002 its reverse (20011202212101), we get a palindrome (30132422423103).

The spelling of 10121220211002 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty million, two hundred eleven thousand, two".