120101111002020 has 24 divisors (see below), whose sum is σ = 336283110805824. Its totient is φ = 32026962933856.

The previous prime is 120101111002007. The next prime is 120101111002043. The reversal of 120101111002020 is 20200111101021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120101111001987 and 120101111002005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000842591624 + ... + 1000842591743.

It is an arithmetic number, because the mean of its divisors is an integer number (14011796283576).

Almost surely, 2^{120101111002020} is an apocalyptic number.

120101111002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120101111002020 is an abundant number, since it is smaller than the sum of its proper divisors (216181999803804).

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

120101111002020 is a wasteful number, since it uses less digits than its factorization.

120101111002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001685183379 (or 2001685183377 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120101111002020 its reverse (20200111101021), we get a palindrome (140301222103041).

Subtracting from 120101111002020 its reverse (20200111101021), we obtain a palindrome (99900999900999).

The spelling of 120101111002020 in words is "one hundred twenty trillion, one hundred one billion, one hundred eleven million, two thousand, twenty".