1021100100002 has 16 divisors (see below), whose sum is σ = 1546452076032. Its totient is φ = 505639626480.

The previous prime is 1021100099989. The next prime is 1021100100011. The reversal of 1021100100002 is 2000010011201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5801033 + ... + 5974460.

It is an arithmetic number, because the mean of its divisors is an integer number (96653254752).

Almost surely, 2^{1021100100002} is an apocalyptic number.

1021100100002 is a deficient number, since it is larger than the sum of its proper divisors (525351976030).

1021100100002 is a wasteful number, since it uses less digits than its factorization.

1021100100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11775913.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1021100100002 its reverse (2000010011201), we get a palindrome (3021110111203).

The spelling of 1021100100002 in words is "one trillion, twenty-one billion, one hundred million, one hundred thousand, two".