120101102011021 has 16 divisors (see below), whose sum is σ = 127542078331200. Its totient is φ = 112772129395968.

The previous prime is 120101102011003. The next prime is 120101102011039. The reversal of 120101102011021 is 120110201101021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120101102011003) and next prime (120101102011039).

It is a cyclic number.

It is not a de Polignac number, because 120101102011021 - 2¹¹ = 120101102008973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120101102010992 and 120101102011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101102011421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454746435 + ... + 455010463.

It is an arithmetic number, because the mean of its divisors is an integer number (7971379895700).

Almost surely, 2^{120101102011021} is an apocalyptic number.

It is an amenable number.

120101102011021 is a deficient number, since it is larger than the sum of its proper divisors (7440976320179).

120101102011021 is a wasteful number, since it uses less digits than its factorization.

120101102011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476028.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120101102011021 its reverse (120110201101021), we get a palindrome (240211303112042).

The spelling of 120101102011021 in words is "one hundred twenty trillion, one hundred one billion, one hundred two million, eleven thousand, twenty-one".