122021012101112 has 8 divisors (see below), whose sum is σ = 228789397689600. Its totient is φ = 61010506050552.

The previous prime is 122021012101099. The next prime is 122021012101117. The reversal of 122021012101112 is 211101210120221.

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

It is a super-2 number, since 2×122021012101112² (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 (122021012101117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626313256312 + ... + 7626313256327.

It is an arithmetic number, because the mean of its divisors is an integer number (28598674711200).

Almost surely, 2^{122021012101112} is an apocalyptic number.

It is an amenable number.

122021012101112 is a deficient number, since it is larger than the sum of its proper divisors (106768385588488).

122021012101112 is a wasteful number, since it uses less digits than its factorization.

122021012101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15252626512645 (or 15252626512641 counting only the distinct ones).

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

Adding to 122021012101112 its reverse (211101210120221), we get a palindrome (333122222221333).

The spelling of 122021012101112 in words is "one hundred twenty-two trillion, twenty-one billion, twelve million, one hundred one thousand, one hundred twelve".