101222220132 has 96 divisors (see below), whose sum is σ = 286370864640. Its totient is φ = 30664208160.

The previous prime is 101222220101. The next prime is 101222220133. The reversal of 101222220132 is 231022222101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101222220133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4678243 + ... + 4699829.

It is an arithmetic number, because the mean of its divisors is an integer number (2983029840).

Almost surely, 2^101222220132 is an apocalyptic number.

101222220132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101222220132 is an abundant number, since it is smaller than the sum of its proper divisors (185148644508).

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

101222220132 is a wasteful number, since it uses less digits than its factorization.

101222220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25558 (or 25550 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 101222220132 its reverse (231022222101), we get a palindrome (332244442233).

The spelling of 101222220132 in words is "one hundred one billion, two hundred twenty-two million, two hundred twenty thousand, one hundred thirty-two".