202011110102021 has 8 divisors (see below), whose sum is σ = 220375862180064. Its totient is φ = 183646375641520.

The previous prime is 202011110101961. The next prime is 202011110102023. The reversal of 202011110102021 is 120201011110202.

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

It is not a de Polignac number, because 202011110102021 - 2¹⁰ = 202011110100997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202011110101987 and 202011110102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011110102023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34552595 + ... + 39973791.

It is an arithmetic number, because the mean of its divisors is an integer number (27546982772508).

Almost surely, 2^{202011110102021} is an apocalyptic number.

It is an amenable number.

202011110102021 is a deficient number, since it is larger than the sum of its proper divisors (18364752078043).

202011110102021 is a wasteful number, since it uses less digits than its factorization.

202011110102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808771.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202011110102021 its reverse (120201011110202), we get a palindrome (322212121212223).

The spelling of 202011110102021 in words is "two hundred two trillion, eleven billion, one hundred ten million, one hundred two thousand, twenty-one".