101202100221021 has 8 divisors (see below), whose sum is σ = 135966180450144. Its totient is φ = 66953043402960.

The previous prime is 101202100221017. The next prime is 101202100221073. The reversal of 101202100221021 is 120122001202101.

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

It is not a de Polignac number, because 101202100221021 - 2² = 101202100221017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202100221821) 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, 128755852306 + ... + 128755853091.

It is an arithmetic number, because the mean of its divisors is an integer number (16995772556268).

Almost surely, 2^{101202100221021} is an apocalyptic number.

It is an amenable number.

101202100221021 is a deficient number, since it is larger than the sum of its proper divisors (34764080229123).

101202100221021 is a wasteful number, since it uses less digits than its factorization.

101202100221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257511705531.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101202100221021 its reverse (120122001202101), we get a palindrome (221324101423122).

The spelling of 101202100221021 in words is "one hundred one trillion, two hundred two billion, one hundred million, two hundred twenty-one thousand, twenty-one".