101111102212020 has 48 divisors (see below), whose sum is σ = 283114216441728. Its totient is φ = 26962662471040.

The previous prime is 101111102211947. The next prime is 101111102212037. The reversal of 101111102212020 is 20212201111101.

It is a happy number.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3817551 + ... + 14723990.

It is an arithmetic number, because the mean of its divisors is an integer number (5898212842536).

Almost surely, 2^{101111102212020} is an apocalyptic number.

101111102212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101111102212020 is an abundant number, since it is smaller than the sum of its proper divisors (182003114229708).

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

101111102212020 is a wasteful number, since it uses less digits than its factorization.

101111102212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18632440 (or 18632438 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101111102212020 its reverse (20212201111101), we get a palindrome (121323303323121).

It can be divided in two parts, 10111110 and 2212020, that added together give a triangular number (12323130 = T₄₉₆₄).

The spelling of 101111102212020 in words is "one hundred one trillion, one hundred eleven billion, one hundred two million, two hundred twelve thousand, twenty".