102020201102 has 4 divisors (see below), whose sum is σ = 153030301656. Its totient is φ = 51010100550.

The previous prime is 102020201053. The next prime is 102020201113. The reversal of 102020201102 is 201102020201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201102020201 = 59351 ⋅3388351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505050274 + ... + 25505050277.

It is an arithmetic number, because the mean of its divisors is an integer number (38257575414).

Almost surely, 2^102020201102 is an apocalyptic number.

102020201102 is a deficient number, since it is larger than the sum of its proper divisors (51010100554).

102020201102 is an equidigital number, since it uses as much as digits as its factorization.

102020201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010100553.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102020201102 its reverse (201102020201), we get a palindrome (303122221303).

The spelling of 102020201102 in words is "one hundred two billion, twenty million, two hundred one thousand, one hundred two".