20101102201002 has 16 divisors (see below), whose sum is σ = 40229240199552. Its totient is φ = 6695861434080.

The previous prime is 20101102200973. The next prime is 20101102201009. The reversal of 20101102201002 is 20010220110102.

It is not an unprimeable number, because it can be changed into a prime (20101102201009) 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, 1126481899 + ... + 1126499742.

It is an arithmetic number, because the mean of its divisors is an integer number (2514327512472).

Almost surely, 2^{20101102201002} is an apocalyptic number.

20101102201002 is an abundant number, since it is smaller than the sum of its proper divisors (20128137998550).

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

20101102201002 is a wasteful number, since it uses less digits than its factorization.

20101102201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252983133.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20101102201002 its reverse (20010220110102), we get a palindrome (40111322311104).

The spelling of 20101102201002 in words is "twenty trillion, one hundred one billion, one hundred two million, two hundred one thousand, two".