202102022220985 has 24 divisors (see below), whose sum is σ = 248297612677704. Its totient is φ = 157919058017280.

The previous prime is 202102022220949. The next prime is 202102022221003. The reversal of 202102022220985 is 589022220201202.

It can be written as a sum of positive squares in 4 ways, for example, as 10880583836329 + 191221438384656 = 3298573^2 + 13828284^2 .

It is not a de Polignac number, because 202102022220985 - 2⁹ = 202102022220473 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 755746759 + ... + 756014131.

It is an arithmetic number, because the mean of its divisors is an integer number (10345733861571).

Almost surely, 2^{202102022220985} is an apocalyptic number.

It is an amenable number.

202102022220985 is a deficient number, since it is larger than the sum of its proper divisors (46195590456719).

202102022220985 is an equidigital number, since it uses as much as digits as its factorization.

202102022220985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349225 (or 349182 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 202102022220985 in words is "two hundred two trillion, one hundred two billion, twenty-two million, two hundred twenty thousand, nine hundred eighty-five".