101220011212020 has 96 divisors (see below), whose sum is σ = 284365388579328. Its totient is φ = 26901621153792.

The previous prime is 101220011211989. The next prime is 101220011212051. The reversal of 101220011212020 is 20212110022101.

It is an interprime number because it is at equal distance from previous prime (101220011211989) and next prime (101220011212051).

It is a super-2 number, since 2×101220011212020² (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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97761364 + ... + 98791316.

It is an arithmetic number, because the mean of its divisors is an integer number (2962139464368).

Almost surely, 2^{101220011212020} is an apocalyptic number.

101220011212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101220011212020 is an abundant number, since it is smaller than the sum of its proper divisors (183145377367308).

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

101220011212020 is a wasteful number, since it uses less digits than its factorization.

101220011212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035449 (or 1035447 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101220011212020 its reverse (20212110022101), we get a palindrome (121432121234121).

The spelling of 101220011212020 in words is "one hundred one trillion, two hundred twenty billion, eleven million, two hundred twelve thousand, twenty".