120101651021 has 8 divisors (see below), whose sum is σ = 131804535744. Its totient is φ = 108529525120.

The previous prime is 120101651003. The next prime is 120101651231. The reversal of 120101651021 is 120156101021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120101651021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120101650984 and 120101651002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101650021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32687780 + ... + 32691453.

It is an arithmetic number, because the mean of its divisors is an integer number (16475566968).

Almost surely, 2^120101651021 is an apocalyptic number.

120101651021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120101651021 is a deficient number, since it is larger than the sum of its proper divisors (11702884723).

120101651021 is a wasteful number, since it uses less digits than its factorization.

120101651021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65379411.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 120101651021 its reverse (120156101021), we get a palindrome (240257752042).

The spelling of 120101651021 in words is "one hundred twenty billion, one hundred one million, six hundred fifty-one thousand, twenty-one".