1202110002021 has 8 divisors (see below), whose sum is σ = 1610867675200. Its totient is φ = 797379498432.

The previous prime is 1202110001993. The next prime is 1202110002047. The reversal of 1202110002021 is 1202000112021.

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

It is not a de Polignac number, because 1202110002021 - 2⁹ = 1202110001509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202110001988 and 1202110002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202110002221) 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, 1006791700 + ... + 1006792893.

It is an arithmetic number, because the mean of its divisors is an integer number (201358459400).

Almost surely, 2^{1202110002021} is an apocalyptic number.

It is an amenable number.

1202110002021 is a deficient number, since it is larger than the sum of its proper divisors (408757673179).

1202110002021 is a wasteful number, since it uses less digits than its factorization.

1202110002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013584795.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1202110002021 its reverse (1202000112021), we get a palindrome (2404110114042).

The spelling of 1202110002021 in words is "one trillion, two hundred two billion, one hundred ten million, two thousand, twenty-one".