220261101 has 16 divisors (see below), whose sum is σ = 301761600. Its totient is φ = 142852608.

The previous prime is 220261081. The next prime is 220261123. The reversal of 220261101 is 101162022.

It is not a de Polignac number, because 220261101 - 2⁷ = 220260973 is a prime.

It is a super-2 number, since 2×220261101² = 97029905227464402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220261201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10755 + ... + 23583.

It is an arithmetic number, because the mean of its divisors is an integer number (18860100).

Almost surely, 2^220261101 is an apocalyptic number.

It is an amenable number.

220261101 is a deficient number, since it is larger than the sum of its proper divisors (81500499).

220261101 is a wasteful number, since it uses less digits than its factorization.

220261101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12988.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 220261101 is about 14841.1960771361. The cubic root of 220261101 is about 603.9198000688.

The spelling of 220261101 in words is "two hundred twenty million, two hundred sixty-one thousand, one hundred one".