120200102021 has 16 divisors (see below), whose sum is σ = 127712211840. Its totient is φ = 112807618560.

The previous prime is 120200102003. The next prime is 120200102023. The reversal of 120200102021 is 120201002021.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120200102021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120200101993 and 120200102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200102023) 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, 4454456 + ... + 4481358.

It is an arithmetic number, because the mean of its divisors is an integer number (7982013240).

Almost surely, 2^120200102021 is an apocalyptic number.

It is an amenable number.

120200102021 is a deficient number, since it is larger than the sum of its proper divisors (7512109819).

120200102021 is a wasteful number, since it uses less digits than its factorization.

120200102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29116.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120200102021 its reverse (120201002021), we get a palindrome (240401104042).

The spelling of 120200102021 in words is "one hundred twenty billion, two hundred million, one hundred two thousand, twenty-one".