2121102101012 has 12 divisors (see below), whose sum is σ = 3774842722560. Its totient is φ = 1042575608856.

The previous prime is 2121102100987. The next prime is 2121102101023. The reversal of 2121102101012 is 2101012011212.

It is a congruent number.

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, 4493860148 + ... + 4493860619.

It is an arithmetic number, because the mean of its divisors is an integer number (314570226880).

Almost surely, 2^{2121102101012} is an apocalyptic number.

It is an amenable number.

2121102101012 is a deficient number, since it is larger than the sum of its proper divisors (1653740621548).

2121102101012 is a wasteful number, since it uses less digits than its factorization.

2121102101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987720830 (or 8987720828 counting only the distinct ones).

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

Adding to 2121102101012 its reverse (2101012011212), we get a palindrome (4222114112224).

The spelling of 2121102101012 in words is "two trillion, one hundred twenty-one billion, one hundred two million, one hundred one thousand, twelve".