211153811002 has 4 divisors (see below), whose sum is σ = 316730716506. Its totient is φ = 105576905500.

The previous prime is 211153810999. The next prime is 211153811023. The reversal of 211153811002 is 200118351112.

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., 105580154761 + 105573656241 = 324931^2 + 324921^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52788452749 + ... + 52788452752.

Almost surely, 2^211153811002 is an apocalyptic number.

211153811002 is a deficient number, since it is larger than the sum of its proper divisors (105576905504).

211153811002 is a wasteful number, since it uses less digits than its factorization.

211153811002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105576905503.

The product of its (nonzero) digits is 480, while the sum is 25.

The spelling of 211153811002 in words is "two hundred eleven billion, one hundred fifty-three million, eight hundred eleven thousand, two".