101056220 has 24 divisors (see below), whose sum is σ = 213452064. Its totient is φ = 40187456.

The previous prime is 101056201. The next prime is 101056223. The reversal of 101056220 is 22650101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101056223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11144 + ... + 18063.

It is an arithmetic number, because the mean of its divisors is an integer number (8893836).

Almost surely, 2^101056220 is an apocalyptic number.

101056220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101056220 is an abundant number, since it is smaller than the sum of its proper divisors (112395844).

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

101056220 is a wasteful number, since it uses less digits than its factorization.

101056220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29389 (or 29387 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 101056220 is about 10052.6722815379. The cubic root of 101056220 is about 465.7873430282.

The spelling of 101056220 in words is "one hundred one million, fifty-six thousand, two hundred twenty".