102100201021022 has 4 divisors (see below), whose sum is σ = 153150301531536. Its totient is φ = 51050100510510.

The previous prime is 102100201021009. The next prime is 102100201021103. The reversal of 102100201021022 is 220120102001201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102100201020988 and 102100201021006.

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, 25525050255254 + ... + 25525050255257.

It is an arithmetic number, because the mean of its divisors is an integer number (38287575382884).

Almost surely, 2^{102100201021022} is an apocalyptic number.

102100201021022 is a deficient number, since it is larger than the sum of its proper divisors (51050100510514).

102100201021022 is an equidigital number, since it uses as much as digits as its factorization.

102100201021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050100510513.

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

Adding to 102100201021022 its reverse (220120102001201), we get a palindrome (322220303022223).

The spelling of 102100201021022 in words is "one hundred two trillion, one hundred billion, two hundred one million, twenty-one thousand, twenty-two".