101210202021020 has 12 divisors (see below), whose sum is σ = 212541424244184. Its totient is φ = 40484080808400.

The previous prime is 101210202020981. The next prime is 101210202021037. The reversal of 101210202021020 is 20120202012101.

It is a junction number, because it is equal to n+sod(n) for n = 101210202020986 and 101210202021004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530255050506 + ... + 2530255050545.

It is an arithmetic number, because the mean of its divisors is an integer number (17711785353682).

Almost surely, 2^{101210202021020} is an apocalyptic number.

101210202021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210202021020 is an abundant number, since it is smaller than the sum of its proper divisors (111331222223164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101210202021020 is a wasteful number, since it uses less digits than its factorization.

101210202021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060510101060 (or 5060510101058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101210202021020 its reverse (20120202012101), we get a palindrome (121330404033121).

The spelling of 101210202021020 in words is "one hundred one trillion, two hundred ten billion, two hundred two million, twenty-one thousand, twenty".