211012221195 has 24 divisors (see below), whose sum is σ = 377553052032. Its totient is φ = 108909532800.

The previous prime is 211012221191. The next prime is 211012221271. The reversal of 211012221195 is 591122210112.

It is not a de Polignac number, because 211012221195 - 2² = 211012221191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211012221191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75630226 + ... + 75633015.

It is an arithmetic number, because the mean of its divisors is an integer number (15731377168).

Almost surely, 2^211012221195 is an apocalyptic number.

211012221195 is a deficient number, since it is larger than the sum of its proper divisors (166540830837).

211012221195 is a wasteful number, since it uses less digits than its factorization.

211012221195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151263283 (or 151263280 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The spelling of 211012221195 in words is "two hundred eleven billion, twelve million, two hundred twenty-one thousand, one hundred ninety-five".