101222030 has 64 divisors (see below), whose sum is σ = 229799808. Its totient is φ = 31242240.

The previous prime is 101222021. The next prime is 101222041. The reversal of 101222030 is 30222101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35954 + ... + 38666.

It is an arithmetic number, because the mean of its divisors is an integer number (3590622).

Almost surely, 2^101222030 is an apocalyptic number.

101222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101222030 is an abundant number, since it is smaller than the sum of its proper divisors (128577778).

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

101222030 is a wasteful number, since it uses less digits than its factorization.

101222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 101222030 is about 10060.9159622770. The cubic root of 101222030 is about 466.0419537710.

Adding to 101222030 its reverse (30222101), we get a palindrome (131444131).

The spelling of 101222030 in words is "one hundred one million, two hundred twenty-two thousand, thirty".