2101101212102 has 16 divisors (see below), whose sum is σ = 3238653314400. Its totient is φ = 1021582067328.

The previous prime is 2101101212059. The next prime is 2101101212209. The reversal of 2101101212102 is 2012121011012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7857602 + ... + 8120597.

It is an arithmetic number, because the mean of its divisors is an integer number (202415832150).

Almost surely, 2^{2101101212102} is an apocalyptic number.

2101101212102 is a deficient number, since it is larger than the sum of its proper divisors (1137552102298).

2101101212102 is a wasteful number, since it uses less digits than its factorization.

2101101212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15980015.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101101212102 its reverse (2012121011012), we get a palindrome (4113222223114).

The spelling of 2101101212102 in words is "two trillion, one hundred one billion, one hundred one million, two hundred twelve thousand, one hundred two".