101122012101021 has 8 divisors (see below), whose sum is σ = 134837884654944. Its totient is φ = 67410407140560.

The previous prime is 101122012101013. The next prime is 101122012101037. The reversal of 101122012101021 is 120101210221101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101122012101021 - 2³ = 101122012101013 is a prime.

It is a super-2 number, since 2×101122012101021² (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 (101122012101421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066843075 + ... + 1066937856.

It is an arithmetic number, because the mean of its divisors is an integer number (16854735581868).

Almost surely, 2^{101122012101021} is an apocalyptic number.

It is an amenable number.

101122012101021 is a deficient number, since it is larger than the sum of its proper divisors (33715872553923).

101122012101021 is a wasteful number, since it uses less digits than its factorization.

101122012101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133796731.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101122012101021 its reverse (120101210221101), we get a palindrome (221223222322122).

The spelling of 101122012101021 in words is "one hundred one trillion, one hundred twenty-two billion, twelve million, one hundred one thousand, twenty-one".