101021210222020 has 48 divisors (see below), whose sum is σ = 233553623688000. Its totient is φ = 36397967310720.

The previous prime is 101021210222017. The next prime is 101021210222027. The reversal of 101021210222020 is 20222012120101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101021210221985 and 101021210222003.

It is not an unprimeable number, because it can be changed into a prime (101021210222027) 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, 2106339870 + ... + 2106387829.

It is an arithmetic number, because the mean of its divisors is an integer number (4865700493500).

Almost surely, 2^{101021210222020} is an apocalyptic number.

101021210222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021210222020 is an abundant number, since it is smaller than the sum of its proper divisors (132532413465980).

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

101021210222020 is a wasteful number, since it uses less digits than its factorization.

101021210222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212727828 (or 4212727826 counting only the distinct ones).

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

Adding to 101021210222020 its reverse (20222012120101), we get a palindrome (121243222342121).

The spelling of 101021210222020 in words is "one hundred one trillion, twenty-one billion, two hundred ten million, two hundred twenty-two thousand, twenty".