102551512222 has 4 divisors (see below), whose sum is σ = 153827268336. Its totient is φ = 51275756110.

The previous prime is 102551512213. The next prime is 102551512307. The reversal of 102551512222 is 222215155201.

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, 25637878054 + ... + 25637878057.

It is an arithmetic number, because the mean of its divisors is an integer number (38456817084).

Almost surely, 2^102551512222 is an apocalyptic number.

102551512222 is a deficient number, since it is larger than the sum of its proper divisors (51275756114).

102551512222 is an equidigital number, since it uses as much as digits as its factorization.

102551512222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51275756113.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 102551512222 its reverse (222215155201), we get a palindrome (324766667423).

The spelling of 102551512222 in words is "one hundred two billion, five hundred fifty-one million, five hundred twelve thousand, two hundred twenty-two".