102220012022210 has 32 divisors (see below), whose sum is σ = 185908046132592. Its totient is φ = 40463179223040.

The previous prime is 102220012022189. The next prime is 102220012022221. The reversal of 102220012022210 is 12220210022201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 74459347614289 + 27760664407921 = 8628983^2 + 5268839^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7622144 + ... + 16202996.

Almost surely, 2^{102220012022210} is an apocalyptic number.

102220012022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102220012022210 is a deficient number, since it is larger than the sum of its proper divisors (83688034110382).

102220012022210 is a wasteful number, since it uses less digits than its factorization.

102220012022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593238.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102220012022210 its reverse (12220210022201), we get a palindrome (114440222044411).

The spelling of 102220012022210 in words is "one hundred two trillion, two hundred twenty billion, twelve million, twenty-two thousand, two hundred ten".