102100221220022 has 16 divisors (see below), whose sum is σ = 153952861158144. Its totient is φ = 50782603248000.

The previous prime is 102100221219991. The next prime is 102100221220111. The reversal of 102100221220022 is 220022122001201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111178772 + ... + 112093352.

It is an arithmetic number, because the mean of its divisors is an integer number (9622053822384).

Almost surely, 2^{102100221220022} is an apocalyptic number.

102100221220022 is a deficient number, since it is larger than the sum of its proper divisors (51852639938122).

102100221220022 is a wasteful number, since it uses less digits than its factorization.

102100221220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207015.

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

Adding to 102100221220022 its reverse (220022122001201), we get a palindrome (322122343221223).

The spelling of 102100221220022 in words is "one hundred two trillion, one hundred billion, two hundred twenty-one million, two hundred twenty thousand, twenty-two".