2100100970 has 64 divisors (see below), whose sum is σ = 4349583360. Its totient is φ = 722030400.

The previous prime is 2100100957. The next prime is 2100100973. The reversal of 2100100970 is 790010012.

It is not an unprimeable number, because it can be changed into a prime (2100100973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1903439 + ... + 1904541.

It is an arithmetic number, because the mean of its divisors is an integer number (67962240).

Almost surely, 2^2100100970 is an apocalyptic number.

2100100970 is an abundant number, since it is smaller than the sum of its proper divisors (2249482390).

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

2100100970 is a wasteful number, since it uses less digits than its factorization.

2100100970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 2100100970 is about 45826.8586093352. The cubic root of 2100100970 is about 1280.5996884805.

Adding to 2100100970 its reverse (790010012), we get a palindrome (2890110982).

The spelling of 2100100970 in words is "two billion, one hundred million, one hundred thousand, nine hundred seventy".