211122019113898 has 4 divisors (see below), whose sum is σ = 316683028670850. Its totient is φ = 105561009556948.

The previous prime is 211122019113851. The next prime is 211122019113913. The reversal of 211122019113898 is 898311910221112.

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., 192171207431889 + 18950811682009 = 13862583^2 + 4353253^2 .

It is a super-2 number, since 2×211122019113898² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52780504778473 + ... + 52780504778476.

Almost surely, 2^{211122019113898} is an apocalyptic number.

211122019113898 is a deficient number, since it is larger than the sum of its proper divisors (105561009556952).

211122019113898 is a wasteful number, since it uses less digits than its factorization.

211122019113898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105561009556951.

The product of its (nonzero) digits is 124416, while the sum is 49.

The spelling of 211122019113898 in words is "two hundred eleven trillion, one hundred twenty-two billion, nineteen million, one hundred thirteen thousand, eight hundred ninety-eight".