202021112102 has 8 divisors (see below), whose sum is σ = 304110073512. Its totient is φ = 100651087600.

The previous prime is 202021112101. The next prime is 202021112113. The reversal of 202021112102 is 201211120202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202021112101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179733524 + ... + 179734647.

It is an arithmetic number, because the mean of its divisors is an integer number (38013759189).

Almost surely, 2^202021112102 is an apocalyptic number.

202021112102 is a deficient number, since it is larger than the sum of its proper divisors (102088961410).

202021112102 is a wasteful number, since it uses less digits than its factorization.

202021112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359468454.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202021112102 its reverse (201211120202), we get a palindrome (403232232304).

The spelling of 202021112102 in words is "two hundred two billion, twenty-one million, one hundred twelve thousand, one hundred two".