101022213220 has 48 divisors (see below), whose sum is σ = 226769735808. Its totient is φ = 37709239040.

The previous prime is 101022213199. The next prime is 101022213269. The reversal of 101022213220 is 22312220101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101022213194 and 101022213203.

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, 2659354 + ... + 2697073.

It is an arithmetic number, because the mean of its divisors is an integer number (4724369496).

Almost surely, 2^101022213220 is an apocalyptic number.

101022213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101022213220 is an abundant number, since it is smaller than the sum of its proper divisors (125747522588).

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

101022213220 is a wasteful number, since it uses less digits than its factorization.

101022213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5356500 (or 5356498 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 101022213220 its reverse (22312220101), we get a palindrome (123334433321).

The spelling of 101022213220 in words is "one hundred one billion, twenty-two million, two hundred thirteen thousand, two hundred twenty".