1021102110202 has 16 divisors (see below), whose sum is σ = 1570677739200. Its totient is φ = 497704456480.

The previous prime is 1021102110191. The next prime is 1021102110257. The reversal of 1021102110202 is 2020112011201.

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, 40385452 + ... + 40410727.

It is an arithmetic number, because the mean of its divisors is an integer number (98167358700).

Almost surely, 2^{1021102110202} is an apocalyptic number.

1021102110202 is a deficient number, since it is larger than the sum of its proper divisors (549575628998).

1021102110202 is an equidigital number, since it uses as much as digits as its factorization.

1021102110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80796341.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021102110202 its reverse (2020112011201), we get a palindrome (3041214121403).

Subtracting 1021102110202 from its reverse (2020112011201), we obtain a palindrome (999009900999).

The spelling of 1021102110202 in words is "one trillion, twenty-one billion, one hundred two million, one hundred ten thousand, two hundred two".