102120111022022 has 4 divisors (see below), whose sum is σ = 153180166533036. Its totient is φ = 51060055511010.

The previous prime is 102120111021979. The next prime is 102120111022099. The reversal of 102120111022022 is 220220111021201.

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, 25530027755504 + ... + 25530027755507.

It is an arithmetic number, because the mean of its divisors is an integer number (38295041633259).

Almost surely, 2^{102120111022022} is an apocalyptic number.

102120111022022 is a deficient number, since it is larger than the sum of its proper divisors (51060055511014).

102120111022022 is an equidigital number, since it uses as much as digits as its factorization.

102120111022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51060055511013.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102120111022022 its reverse (220220111021201), we get a palindrome (322340222043223).

The spelling of 102120111022022 in words is "one hundred two trillion, one hundred twenty billion, one hundred eleven million, twenty-two thousand, twenty-two".