101201021111212 has 48 divisors (see below), whose sum is σ = 204768713009952. Its totient is φ = 43251815214080.

The previous prime is 101201021111191. The next prime is 101201021111221. The reversal of 101201021111212 is 212111120102101.

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, 66021883 + ... + 67537330.

It is an arithmetic number, because the mean of its divisors is an integer number (4266014854374).

Almost surely, 2^{101201021111212} is an apocalyptic number.

It is an amenable number.

101201021111212 is an abundant number, since it is smaller than the sum of its proper divisors (103567691898740).

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

101201021111212 is a wasteful number, since it uses less digits than its factorization.

101201021111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133560258 (or 133560256 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 101201021111212 its reverse (212111120102101), we get a palindrome (313312141213313).

The spelling of 101201021111212 in words is "one hundred one trillion, two hundred one billion, twenty-one million, one hundred eleven thousand, two hundred twelve".