20010011221112 has 32 divisors (see below), whose sum is σ = 41011591680000. Its totient is φ = 9077232252000.

The previous prime is 20010011221097. The next prime is 20010011221147. The reversal of 20010011221112 is 21112211001002.

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, 227798264 + ... + 227886087.

It is an arithmetic number, because the mean of its divisors is an integer number (1281612240000).

Almost surely, 2^{20010011221112} is an apocalyptic number.

20010011221112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20010011221112 is an abundant number, since it is smaller than the sum of its proper divisors (21001580458888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010011221112 is a wasteful number, since it uses less digits than its factorization.

20010011221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455684867 (or 455684863 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20010011221112 its reverse (21112211001002), we get a palindrome (41122222222114).

The spelling of 20010011221112 in words is "twenty trillion, ten billion, eleven million, two hundred twenty-one thousand, one hundred twelve".