2100011101002 has 32 divisors (see below), whose sum is σ = 4667528180160. Its totient is φ = 699878173680.

The previous prime is 2100011100961. The next prime is 2100011101009. The reversal of 2100011101002 is 2001011100012.

It is a happy number.

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 (2100011101009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3182688 + ... + 3785435.

It is an arithmetic number, because the mean of its divisors is an integer number (145860255630).

Almost surely, 2^{2100011101002} is an apocalyptic number.

2100011101002 is an abundant number, since it is smaller than the sum of its proper divisors (2567517079158).

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

2100011101002 is a wasteful number, since it uses less digits than its factorization.

2100011101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6973715 (or 6973709 counting only the distinct ones).

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

Adding to 2100011101002 its reverse (2001011100012), we get a palindrome (4101022201014).

The spelling of 2100011101002 in words is "two trillion, one hundred billion, eleven million, one hundred one thousand, two".