120201000101021 has 32 divisors (see below), whose sum is σ = 145581186643200. Its totient is φ = 97046733611520.

The previous prime is 120201000100999. The next prime is 120201000101047. The reversal of 120201000101021 is 120101000102021.

It is not a de Polignac number, because 120201000101021 - 2⁶ = 120201000100957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120201000100993 and 120201000101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201000106021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229894790 + ... + 230417048.

It is an arithmetic number, because the mean of its divisors is an integer number (4549412082600).

Almost surely, 2^{120201000101021} is an apocalyptic number.

It is an amenable number.

120201000101021 is a deficient number, since it is larger than the sum of its proper divisors (25380186542179).

120201000101021 is a wasteful number, since it uses less digits than its factorization.

120201000101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549989.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120201000101021 its reverse (120101000102021), we get a palindrome (240302000203042).

The spelling of 120201000101021 in words is "one hundred twenty trillion, two hundred one billion, one hundred one thousand, twenty-one".