21022011111002 has 16 divisors (see below), whose sum is σ = 34410530300832. Its totient is φ = 9552438552720.

The previous prime is 21022011110993. The next prime is 21022011111019. The reversal of 21022011111002 is 20011111022012.

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, 150980993 + ... + 151120164.

It is an arithmetic number, because the mean of its divisors is an integer number (2150658143802).

Almost surely, 2^{21022011111002} is an apocalyptic number.

21022011111002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21022011111002 is a deficient number, since it is larger than the sum of its proper divisors (13388519189830).

21022011111002 is a wasteful number, since it uses less digits than its factorization.

21022011111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302104333.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21022011111002 its reverse (20011111022012), we get a palindrome (41033122133014).

The spelling of 21022011111002 in words is "twenty-one trillion, twenty-two billion, eleven million, one hundred eleven thousand, two".