20211020112194 has 16 divisors (see below), whose sum is σ = 31651176978432. Its totient is φ = 9661087141728.

The previous prime is 20211020112161. The next prime is 20211020112233. The reversal of 20211020112194 is 49121102011202.

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, 114749954 + ... + 114925949.

It is an arithmetic number, because the mean of its divisors is an integer number (1978198561152).

Almost surely, 2^{20211020112194} is an apocalyptic number.

20211020112194 is a deficient number, since it is larger than the sum of its proper divisors (11440156866238).

20211020112194 is a wasteful number, since it uses less digits than its factorization.

20211020112194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229677841.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 20211020112194 its reverse (49121102011202), we get a palindrome (69332122123396).

The spelling of 20211020112194 in words is "twenty trillion, two hundred eleven billion, twenty million, one hundred twelve thousand, one hundred ninety-four".