210122111002 has 4 divisors (see below), whose sum is σ = 315183166506. Its totient is φ = 105061055500.

The previous prime is 210122110973. The next prime is 210122111039. The reversal of 210122111002 is 200111221012.

210122111002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 145321826521 + 64800284481 = 381211^2 + 254559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52530527749 + ... + 52530527752.

Almost surely, 2^210122111002 is an apocalyptic number.

210122111002 is a deficient number, since it is larger than the sum of its proper divisors (105061055504).

210122111002 is a wasteful number, since it uses less digits than its factorization.

210122111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105061055503.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210122111002 its reverse (200111221012), we get a palindrome (410233332014).

The spelling of 210122111002 in words is "two hundred ten billion, one hundred twenty-two million, one hundred eleven thousand, two".