20101102100002 has 16 divisors (see below), whose sum is σ = 37591671460032. Its totient is φ = 7831598220720.

The previous prime is 20101102099999. The next prime is 20101102100003. The reversal of 20101102100002 is 20000120110102.

It is not an unprimeable number, because it can be changed into a prime (20101102100003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65263318353 + ... + 65263318660.

It is an arithmetic number, because the mean of its divisors is an integer number (2349479466252).

Almost surely, 2^{20101102100002} is an apocalyptic number.

20101102100002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20101102100002 is a deficient number, since it is larger than the sum of its proper divisors (17490569360030).

20101102100002 is a wasteful number, since it uses less digits than its factorization.

20101102100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130526637033.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20101102100002 its reverse (20000120110102), we get a palindrome (40101222210104).

The spelling of 20101102100002 in words is "twenty trillion, one hundred one billion, one hundred two million, one hundred thousand, two".