2101202100106 has 8 divisors (see below), whose sum is σ = 3164066976420. Its totient is φ = 1046513107968.

The previous prime is 2101202100097. The next prime is 2101202100121. The reversal of 2101202100106 is 6010012021012.

It can be written as a sum of positive squares in 2 ways, for example, as 2097401994081 + 3800106025 = 1448241^2 + 61645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2101202100106² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2101202100106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043970401 + ... + 2043971428.

Almost surely, 2^{2101202100106} is an apocalyptic number.

2101202100106 is a deficient number, since it is larger than the sum of its proper divisors (1062864876314).

2101202100106 is a wasteful number, since it uses less digits than its factorization.

2101202100106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087942088.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2101202100106 its reverse (6010012021012), we get a palindrome (8111214121118).

The spelling of 2101202100106 in words is "two trillion, one hundred one billion, two hundred two million, one hundred thousand, one hundred six".