211555413111202 has 16 divisors (see below), whose sum is σ = 326231145729792. Its totient is φ = 102841507000800.

The previous prime is 211555413111199. The next prime is 211555413111253. The reversal of 211555413111202 is 202111314555112.

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, 7452268923 + ... + 7452297310.

It is an arithmetic number, because the mean of its divisors is an integer number (20389446608112).

Almost surely, 2^{211555413111202} is an apocalyptic number.

211555413111202 is a deficient number, since it is larger than the sum of its proper divisors (114675732618590).

211555413111202 is a wasteful number, since it uses less digits than its factorization.

211555413111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904566433.

The product of its (nonzero) digits is 12000, while the sum is 34.

Adding to 211555413111202 its reverse (202111314555112), we get a palindrome (413666727666314).

The spelling of 211555413111202 in words is "two hundred eleven trillion, five hundred fifty-five billion, four hundred thirteen million, one hundred eleven thousand, two hundred two".