1013220101 has 8 divisors (see below), whose sum is σ = 1019080608. Its totient is φ = 1007370000.

The previous prime is 1013220059. The next prime is 1013220107. The reversal of 1013220101 is 1010223101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1013220101 - 2²⁶ = 946111237 is a prime.

It is a super-2 number, since 2×1013220101² = 2053229946140900402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013220107) 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, 272666 + ... + 276356.

It is an arithmetic number, because the mean of its divisors is an integer number (127385076).

Almost surely, 2^1013220101 is an apocalyptic number.

It is an amenable number.

1013220101 is a deficient number, since it is larger than the sum of its proper divisors (5860507).

1013220101 is a wasteful number, since it uses less digits than its factorization.

1013220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1013220101 is about 31831.1184377803. The cubic root of 1013220101 is about 1004.3874227035.

Adding to 1013220101 its reverse (1010223101), we get a palindrome (2023443202).

The spelling of 1013220101 in words is "one billion, thirteen million, two hundred twenty thousand, one hundred one".