120100100203101 has 64 divisors (see below), whose sum is σ = 175578664407552. Its totient is φ = 72720307200000.

The previous prime is 120100100203087. The next prime is 120100100203133. The reversal of 120100100203101 is 101302001001021.

It is not a de Polignac number, because 120100100203101 - 2³⁴ = 120082920333917 is a prime.

It is a super-2 number, since 2×120100100203101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100100203801) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 217462131 + ... + 218013711.

It is an arithmetic number, because the mean of its divisors is an integer number (2743416631368).

Almost surely, 2^{120100100203101} is an apocalyptic number.

It is an amenable number.

120100100203101 is a deficient number, since it is larger than the sum of its proper divisors (55478564204451).

120100100203101 is a wasteful number, since it uses less digits than its factorization.

120100100203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552774.

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

Adding to 120100100203101 its reverse (101302001001021), we get a palindrome (221402101204122).

The spelling of 120100100203101 in words is "one hundred twenty trillion, one hundred billion, one hundred million, two hundred three thousand, one hundred one".