211022121002 has 24 divisors (see below), whose sum is σ = 401685894720. Its totient is φ = 82216410360.

The previous prime is 211022120971. The next prime is 211022121043. The reversal of 211022121002 is 200121220112.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 97875602 + ... + 97877757.

It is an arithmetic number, because the mean of its divisors is an integer number (16736912280).

Almost surely, 2^211022121002 is an apocalyptic number.

211022121002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211022121002 is a deficient number, since it is larger than the sum of its proper divisors (190663773718).

211022121002 is a wasteful number, since it uses less digits than its factorization.

211022121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195753386 (or 195753379 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211022121002 its reverse (200121220112), we get a palindrome (411143341114).

The spelling of 211022121002 in words is "two hundred eleven billion, twenty-two million, one hundred twenty-one thousand, two".