100102221111212 has 24 divisors (see below), whose sum is σ = 176659757310960. Its totient is φ = 49628626498880.

The previous prime is 100102221111107. The next prime is 100102221111241. The reversal of 100102221111212 is 212111122201001.

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, 77075603 + ... + 78363594.

It is an arithmetic number, because the mean of its divisors is an integer number (7360823221290).

Almost surely, 2^{100102221111212} is an apocalyptic number.

It is an amenable number.

100102221111212 is a deficient number, since it is larger than the sum of its proper divisors (76557536199748).

100102221111212 is a wasteful number, since it uses less digits than its factorization.

100102221111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155440561 (or 155440559 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 100102221111212 its reverse (212111122201001), we get a palindrome (312213343312213).

The spelling of 100102221111212 in words is "one hundred trillion, one hundred two billion, two hundred twenty-one million, one hundred eleven thousand, two hundred twelve".