211120211021194 has 4 divisors (see below), whose sum is σ = 316680316531794. Its totient is φ = 105560105510596.

The previous prime is 211120211021183. The next prime is 211120211021219. The reversal of 211120211021194 is 491120112021112.

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., 123926878740025 + 87193332281169 = 11132245^2 + 9337737^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52780052755297 + ... + 52780052755300.

Almost surely, 2^{211120211021194} is an apocalyptic number.

211120211021194 is a deficient number, since it is larger than the sum of its proper divisors (105560105510600).

211120211021194 is a wasteful number, since it uses less digits than its factorization.

211120211021194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105560105510599.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 211120211021194 in words is "two hundred eleven trillion, one hundred twenty billion, two hundred eleven million, twenty-one thousand, one hundred ninety-four".