2102010220102 has 96 divisors (see below), whose sum is σ = 3727632636000. Its totient is φ = 880636839936.

The previous prime is 2102010220039. The next prime is 2102010220109. The reversal of 2102010220102 is 2010220102012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102010220109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 412237149 + ... + 412242247.

It is an arithmetic number, because the mean of its divisors is an integer number (38829506625).

Almost surely, 2^{2102010220102} is an apocalyptic number.

2102010220102 is a deficient number, since it is larger than the sum of its proper divisors (1625622415898).

2102010220102 is a wasteful number, since it uses less digits than its factorization.

2102010220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6298 (or 6269 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2102010220102 its reverse (2010220102012), we get a palindrome (4112230322114).

The spelling of 2102010220102 in words is "two trillion, one hundred two billion, ten million, two hundred twenty thousand, one hundred two".