101221202102 has 4 divisors (see below), whose sum is σ = 151831803156. Its totient is φ = 50610601050.

The previous prime is 101221202099. The next prime is 101221202191. The reversal of 101221202102 is 201202122101.

It is a semiprime because it is the product of two primes.

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, 25305300524 + ... + 25305300527.

It is an arithmetic number, because the mean of its divisors is an integer number (37957950789).

Almost surely, 2^101221202102 is an apocalyptic number.

101221202102 is a deficient number, since it is larger than the sum of its proper divisors (50610601054).

101221202102 is an equidigital number, since it uses as much as digits as its factorization.

101221202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50610601053.

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

Adding to 101221202102 its reverse (201202122101), we get a palindrome (302423324203).

The spelling of 101221202102 in words is "one hundred one billion, two hundred twenty-one million, two hundred two thousand, one hundred two".