101020010220021 has 16 divisors (see below), whose sum is σ = 141865432862400. Its totient is φ = 63764778647808.

The previous prime is 101020010219981. The next prime is 101020010220037. The reversal of 101020010220021 is 120022010020101.

It is not a de Polignac number, because 101020010220021 - 2⁷ = 101020010219893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101020010219979 and 101020010220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020010220061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518416596 + ... + 518611421.

It is an arithmetic number, because the mean of its divisors is an integer number (8866589553900).

Almost surely, 2^{101020010220021} is an apocalyptic number.

It is an amenable number.

101020010220021 is a deficient number, since it is larger than the sum of its proper divisors (40845422642379).

101020010220021 is a wasteful number, since it uses less digits than its factorization.

101020010220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037029748.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101020010220021 its reverse (120022010020101), we get a palindrome (221042020240122).

The spelling of 101020010220021 in words is "one hundred one trillion, twenty billion, ten million, two hundred twenty thousand, twenty-one".