202020202112102 has 8 divisors (see below), whose sum is σ = 330578512547112. Its totient is φ = 91827364596400.

The previous prime is 202020202112063. The next prime is 202020202112117. The reversal of 202020202112102 is 201211202020202.

It is a happy number.

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

It is a super-2 number, since 2×202020202112102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4591368229799 + ... + 4591368229842.

It is an arithmetic number, because the mean of its divisors is an integer number (41322314068389).

Almost surely, 2^{202020202112102} is an apocalyptic number.

202020202112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202020202112102 is a deficient number, since it is larger than the sum of its proper divisors (128558310435010).

202020202112102 is a wasteful number, since it uses less digits than its factorization.

202020202112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9182736459654.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202020202112102 its reverse (201211202020202), we get a palindrome (403231404132304).

The spelling of 202020202112102 in words is "two hundred two trillion, twenty billion, two hundred two million, one hundred twelve thousand, one hundred two".