20212211101112 has 32 divisors (see below), whose sum is σ = 38251741017600. Its totient is φ = 10011776688000.

The previous prime is 20212211101079. The next prime is 20212211101127. The reversal of 20212211101112 is 21110111221202.

It is a congruent number.

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, 3561737 + ... + 7287687.

It is an arithmetic number, because the mean of its divisors is an integer number (1195366906800).

Almost surely, 2^{20212211101112} is an apocalyptic number.

It is an amenable number.

20212211101112 is a deficient number, since it is larger than the sum of its proper divisors (18039529916488).

20212211101112 is a wasteful number, since it uses less digits than its factorization.

20212211101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732287 (or 3732283 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20212211101112 its reverse (21110111221202), we get a palindrome (41322322322314).

The spelling of 20212211101112 in words is "twenty trillion, two hundred twelve billion, two hundred eleven million, one hundred one thousand, one hundred twelve".