2101001202 has 24 divisors (see below), whose sum is σ = 4819944636. Its totient is φ = 659137536.

The previous prime is 2101001197. The next prime is 2101001207. The reversal of 2101001202 is 2021001012.

It is an interprime number because it is at equal distance from previous prime (2101001197) and next prime (2101001207).

It can be written as a sum of positive squares in 2 ways, for example, as 1864426041 + 236575161 = 43179^2 + 15381^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2101001207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3432703 + ... + 3433314.

Almost surely, 2^2101001202 is an apocalyptic number.

2101001202 is an abundant number, since it is smaller than the sum of its proper divisors (2718943434).

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

2101001202 is a wasteful number, since it uses less digits than its factorization.

2101001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866042 (or 6866039 counting only the distinct ones).

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

The square root of 2101001202 is about 45836.6796572352. The cubic root of 2101001202 is about 1280.7826435144.

Adding to 2101001202 its reverse (2021001012), we get a palindrome (4122002214).

The spelling of 2101001202 in words is "two billion, one hundred one million, one thousand, two hundred two".