101021231002020 has 192 divisors, whose sum is σ = 349566333419520. Its totient is φ = 21269909035008.

The previous prime is 101021231002019. The next prime is 101021231002277. The reversal of 101021231002020 is 20200132120101.

It is a super-2 number, since 2×101021231002020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150181780 + ... + 150852939.

It is an arithmetic number, because the mean of its divisors is an integer number (1820657986560).

Almost surely, 2^{101021231002020} is an apocalyptic number.

101021231002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021231002020 is an abundant number, since it is smaller than the sum of its proper divisors (248545102417500).

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

101021231002020 is a wasteful number, since it uses less digits than its factorization.

101021231002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301034802 (or 301034800 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101021231002020 its reverse (20200132120101), we get a palindrome (121221363122121).

The spelling of 101021231002020 in words is "one hundred one trillion, twenty-one billion, two hundred thirty-one million, two thousand, twenty".