101020020101210 has 48 divisors (see below), whose sum is σ = 211606733650176. Its totient is φ = 34621815124512.

The previous prime is 101020020101179. The next prime is 101020020101243. The reversal of 101020020101210 is 12101020020101.

It is a super-2 number, since 2×101020020101210² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101020020101191 and 101020020101200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39289382 + ... + 41781521.

It is an arithmetic number, because the mean of its divisors is an integer number (4408473617712).

Almost surely, 2^{101020020101210} is an apocalyptic number.

101020020101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101020020101210 is an abundant number, since it is smaller than the sum of its proper divisors (110586713548966).

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

101020020101210 is a wasteful number, since it uses less digits than its factorization.

101020020101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81073467 (or 81073460 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101020020101210 its reverse (12101020020101), we get a palindrome (113121040121311).

The spelling of 101020020101210 in words is "one hundred one trillion, twenty billion, twenty million, one hundred one thousand, two hundred ten".