201010022121112 has 8 divisors (see below), whose sum is σ = 376893791477100. Its totient is φ = 100505011060552.

The previous prime is 201010022121061. The next prime is 201010022121113. The reversal of 201010022121112 is 211121220010102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×201010022121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010022121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12563126382562 + ... + 12563126382577.

Almost surely, 2^{201010022121112} is an apocalyptic number.

It is an amenable number.

201010022121112 is a deficient number, since it is larger than the sum of its proper divisors (175883769355988).

201010022121112 is a wasteful number, since it uses less digits than its factorization.

201010022121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25126252765145 (or 25126252765141 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201010022121112 its reverse (211121220010102), we get a palindrome (412131242131214).

The spelling of 201010022121112 in words is "two hundred one trillion, ten billion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".