2261050711220 has 48 divisors (see below), whose sum is σ = 5428357845120. Its totient is φ = 774955081344.

The previous prime is 2261050711207. The next prime is 2261050711223. The reversal of 2261050711220 is 221170501622.

It is a happy number.

It is a super-2 number, since 2×2261050711220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261050711223) 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, 2316890 + ... + 3144849.

It is an arithmetic number, because the mean of its divisors is an integer number (113090788440).

Almost surely, 2^{2261050711220} is an apocalyptic number.

2261050711220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2261050711220 is an abundant number, since it is smaller than the sum of its proper divisors (3167307133900).

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

2261050711220 is a wasteful number, since it uses less digits than its factorization.

2261050711220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464712 (or 5464710 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The spelling of 2261050711220 in words is "two trillion, two hundred sixty-one billion, fifty million, seven hundred eleven thousand, two hundred twenty".