2101022010 has 64 divisors (see below), whose sum is σ = 5932310400. Its totient is φ = 527314176.

The previous prime is 2101021943. The next prime is 2101022029. The reversal of 2101022010 is 102201012.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2101021983 and 2101022001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224280 + ... + 233459.

It is an arithmetic number, because the mean of its divisors is an integer number (92692350).

Almost surely, 2^2101022010 is an apocalyptic number.

2101022010 is an abundant number, since it is smaller than the sum of its proper divisors (3831288390).

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

2101022010 is a wasteful number, since it uses less digits than its factorization.

2101022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457772 (or 457766 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2101022010 is about 45836.9066364649. The cubic root of 2101022010 is about 1280.7868717267.

Adding to 2101022010 its reverse (102201012), we get a palindrome (2203223022).

The spelling of 2101022010 in words is "two billion, one hundred one million, twenty-two thousand, ten".