202111021982 has 16 divisors (see below), whose sum is σ = 324867331152. Its totient is φ = 93965151360.

The previous prime is 202111021969. The next prime is 202111022027. The reversal of 202111021982 is 289120111202.

It is a super-3 number, since 3×202111021982³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35807069 + ... + 35812712.

It is an arithmetic number, because the mean of its divisors is an integer number (20304208197).

Almost surely, 2^202111021982 is an apocalyptic number.

202111021982 is a deficient number, since it is larger than the sum of its proper divisors (122756309170).

202111021982 is a wasteful number, since it uses less digits than its factorization.

202111021982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71619883.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 202111021982 in words is "two hundred two billion, one hundred eleven million, twenty-one thousand, nine hundred eighty-two".