202113220986 has 12 divisors (see below), whose sum is σ = 437911978842. Its totient is φ = 67371073656.

The previous prime is 202113220957. The next prime is 202113220987. The reversal of 202113220986 is 689022311202.

It is a happy number.

202113220986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 162340497225 + 39772723761 = 402915^2 + 199431^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202113220986.

It is not an unprimeable number, because it can be changed into a prime (202113220987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5614256121 + ... + 5614256156.

Almost surely, 2^202113220986 is an apocalyptic number.

202113220986 is an abundant number, since it is smaller than the sum of its proper divisors (235798757856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202113220986 is a wasteful number, since it uses less digits than its factorization.

202113220986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228512285 (or 11228512282 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 202113220986 in words is "two hundred two billion, one hundred thirteen million, two hundred twenty thousand, nine hundred eighty-six".