102222212212100 has 288 divisors, whose sum is σ = 231050248837632. Its totient is φ = 39227535360000.

The previous prime is 102222212212097. The next prime is 102222212212121. The reversal of 102222212212100 is 1212212222201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47745077030 + ... + 47745079170.

It is an arithmetic number, because the mean of its divisors is an integer number (802257808464).

Almost surely, 2^{102222212212100} is an apocalyptic number.

102222212212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102222212212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115525124418816).

102222212212100 is an abundant number, since it is smaller than the sum of its proper divisors (128828036625532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102222212212100 is a wasteful number, since it uses less digits than its factorization.

102222212212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102222212212100 its reverse (1212212222201), we get a palindrome (103434424434301).

The spelling of 102222212212100 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twelve thousand, one hundred".