2101340322102 has 64 divisors (see below), whose sum is σ = 5100598725120. Its totient is φ = 563750337024.

The previous prime is 2101340322101. The next prime is 2101340322149. The reversal of 2101340322102 is 2012230431012.

It is a super-2 number, since 2×2101340322102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101340322101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11561413 + ... + 11741760.

It is an arithmetic number, because the mean of its divisors is an integer number (79696855080).

Almost surely, 2^{2101340322102} is an apocalyptic number.

2101340322102 is an abundant number, since it is smaller than the sum of its proper divisors (2999258403018).

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

2101340322102 is a wasteful number, since it uses less digits than its factorization.

2101340322102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23303317.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2101340322102 its reverse (2012230431012), we get a palindrome (4113570753114).

The spelling of 2101340322102 in words is "two trillion, one hundred one billion, three hundred forty million, three hundred twenty-two thousand, one hundred two".