101210201222020 has 96 divisors (see below), whose sum is σ = 239620510918656. Its totient is φ = 35588304998400.

The previous prime is 101210201222017. The next prime is 101210201222021. The reversal of 101210201222020 is 20222102012101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101210201221985 and 101210201222003.

It is not an unprimeable number, because it can be changed into a prime (101210201222021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48629604 + ... + 50668123.

It is an arithmetic number, because the mean of its divisors is an integer number (2496046988736).

Almost surely, 2^{101210201222020} is an apocalyptic number.

101210201222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210201222020 is an abundant number, since it is smaller than the sum of its proper divisors (138410309696636).

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

101210201222020 is a wasteful number, since it uses less digits than its factorization.

101210201222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99297901 (or 99297899 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101210201222020 its reverse (20222102012101), we get a palindrome (121432303234121).

The spelling of 101210201222020 in words is "one hundred one trillion, two hundred ten billion, two hundred one million, two hundred twenty-two thousand, twenty".