211022021002 has 32 divisors (see below), whose sum is σ = 358890174720. Its totient is φ = 92251431360.

The previous prime is 211022020997. The next prime is 211022021069. The reversal of 211022021002 is 200120220112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 2799852 + ... + 2874232.

It is an arithmetic number, because the mean of its divisors is an integer number (11215317960).

Almost surely, 2^211022021002 is an apocalyptic number.

211022021002 is a deficient number, since it is larger than the sum of its proper divisors (147868153718).

211022021002 is a wasteful number, since it uses less digits than its factorization.

211022021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80158.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211022021002 its reverse (200120220112), we get a palindrome (411142241114).

The spelling of 211022021002 in words is "two hundred eleven billion, twenty-two million, twenty-one thousand, two".