101120100120021 has 8 divisors (see below), whose sum is σ = 135119266105824. Its totient is φ = 67267167107120.

The previous prime is 101120100119953. The next prime is 101120100120073. The reversal of 101120100120021 is 120021001021101.

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

It is a cyclic number.

It is not a de Polignac number, because 101120100120021 - 2²⁵ = 101120066565589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101120100119979 and 101120100120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120100110021) 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, 36558241611 + ... + 36558244376.

It is an arithmetic number, because the mean of its divisors is an integer number (16889908263228).

Almost surely, 2^{101120100120021} is an apocalyptic number.

It is an amenable number.

101120100120021 is a deficient number, since it is larger than the sum of its proper divisors (33999165985803).

101120100120021 is an equidigital number, since it uses as much as digits as its factorization.

101120100120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73116486451.

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

Adding to 101120100120021 its reverse (120021001021101), we get a palindrome (221141101141122).

The spelling of 101120100120021 in words is "one hundred one trillion, one hundred twenty billion, one hundred million, one hundred twenty thousand, twenty-one".