2102221000102 has 4 divisors (see below), whose sum is σ = 3153331500156. Its totient is φ = 1051110500050.

The previous prime is 2102221000069. The next prime is 2102221000111. The reversal of 2102221000102 is 2010001222012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525555250024 + ... + 525555250027.

It is an arithmetic number, because the mean of its divisors is an integer number (788332875039).

Almost surely, 2^{2102221000102} is an apocalyptic number.

2102221000102 is a deficient number, since it is larger than the sum of its proper divisors (1051110500054).

2102221000102 is a wasteful number, since it uses less digits than its factorization.

2102221000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051110500053.

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

Adding to 2102221000102 its reverse (2010001222012), we get a palindrome (4112222222114).

The spelling of 2102221000102 in words is "two trillion, one hundred two billion, two hundred twenty-one million, one hundred two", and thus it is an aban number.