10122221122002 has 24 divisors (see below), whose sum is σ = 23925249925200. Its totient is φ = 3067339733880.

The previous prime is 10122221121979. The next prime is 10122221122061. The reversal of 10122221122002 is 20022112222101.

It is a happy number.

10122221122002 is a `hidden beast` number, since 10 + 1 + 222 + 211 + 220 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25561164252 + ... + 25561164647.

It is an arithmetic number, because the mean of its divisors is an integer number (996885413550).

Almost surely, 2^{10122221122002} is an apocalyptic number.

10122221122002 is an abundant number, since it is smaller than the sum of its proper divisors (13803028803198).

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

10122221122002 is a wasteful number, since it uses less digits than its factorization.

10122221122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51122328918 (or 51122328915 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10122221122002 its reverse (20022112222101), we get a palindrome (30144333344103).

The spelling of 10122221122002 in words is "ten trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two".