191010100110212 has 24 divisors (see below), whose sum is σ = 344899132322304. Its totient is φ = 92509388243712.

The previous prime is 191010100110173. The next prime is 191010100110217. The reversal of 191010100110212 is 212011001010191.

It is a super-2 number, since 2×191010100110212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (191010100110217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5237152748 + ... + 5237189219.

It is an arithmetic number, because the mean of its divisors is an integer number (14370797180096).

Almost surely, 2^{191010100110212} is an apocalyptic number.

It is an amenable number.

191010100110212 is a deficient number, since it is larger than the sum of its proper divisors (153889032212092).

191010100110212 is a wasteful number, since it uses less digits than its factorization.

191010100110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10474342115 (or 10474342113 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 191010100110212 in words is "one hundred ninety-one trillion, ten billion, one hundred million, one hundred ten thousand, two hundred twelve".