11100010021002 has 48 divisors (see below), whose sum is σ = 27816892608960. Its totient is φ = 3133221414336.

The previous prime is 11100010020943. The next prime is 11100010021019. The reversal of 11100010021002 is 20012001000111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530684227 + ... + 530705142.

It is an arithmetic number, because the mean of its divisors is an integer number (579518596020).

Almost surely, 2^{11100010021002} is an apocalyptic number.

11100010021002 is an abundant number, since it is smaller than the sum of its proper divisors (16716882587958).

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

11100010021002 is a wasteful number, since it uses less digits than its factorization.

11100010021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061389467 (or 1061389464 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11100010021002 its reverse (20012001000111), we get a palindrome (31112011021113).

The spelling of 11100010021002 in words is "eleven trillion, one hundred billion, ten million, twenty-one thousand, two".