2101011010002 has 12 divisors (see below), whose sum is σ = 4552190521710. Its totient is φ = 700337003328.

The previous prime is 2101011009989. The next prime is 2101011010019. The reversal of 2101011010002 is 2000101101012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1933131517641 + 167879492361 = 1390371^2 + 409731^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58361416927 + ... + 58361416962.

Almost surely, 2^{2101011010002} is an apocalyptic number.

2101011010002 is an abundant number, since it is smaller than the sum of its proper divisors (2451179511708).

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

2101011010002 is a wasteful number, since it uses less digits than its factorization.

2101011010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116722833897 (or 116722833894 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2101011010002 its reverse (2000101101012), we get a palindrome (4101112111014).

The spelling of 2101011010002 in words is "two trillion, one hundred one billion, eleven million, ten thousand, two".