2101222410 has 48 divisors (see below), whose sum is σ = 5866274016. Its totient is φ = 480279072.

The previous prime is 2101222393. The next prime is 2101222469. The reversal of 2101222410 is 142221012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2101222410.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 713232 + ... + 716171.

It is an arithmetic number, because the mean of its divisors is an integer number (122214042).

Almost surely, 2^2101222410 is an apocalyptic number.

2101222410 is an abundant number, since it is smaller than the sum of its proper divisors (3765051606).

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

2101222410 is a wasteful number, since it uses less digits than its factorization.

2101222410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429427 (or 1429420 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2101222410 is about 45839.0925957310. The cubic root of 2101222410 is about 1280.8275918346.

Adding to 2101222410 its reverse (142221012), we get a palindrome (2243443422).

The spelling of 2101222410 in words is "two billion, one hundred one million, two hundred twenty-two thousand, four hundred ten".