102220400352415 has 16 divisors (see below), whose sum is σ = 125195283578880. Its totient is φ = 80105419648800.

The previous prime is 102220400352377. The next prime is 102220400352419. The reversal of 102220400352415 is 514253004022201.

It is a happy number.

It is not a de Polignac number, because 102220400352415 - 2³⁹ = 101670644538527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220400352419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018791661 + ... + 1018891990.

It is an arithmetic number, because the mean of its divisors is an integer number (7824705223680).

Almost surely, 2^{102220400352415} is an apocalyptic number.

102220400352415 is a deficient number, since it is larger than the sum of its proper divisors (22974883226465).

102220400352415 is a wasteful number, since it uses less digits than its factorization.

102220400352415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037683862.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 102220400352415 its reverse (514253004022201), we get a palindrome (616473404374616).

The spelling of 102220400352415 in words is "one hundred two trillion, two hundred twenty billion, four hundred million, three hundred fifty-two thousand, four hundred fifteen".