2121210101110 has 16 divisors (see below), whose sum is σ = 3820756316832. Its totient is φ = 847911121600.

The previous prime is 2121210101093. The next prime is 2121210101149. The reversal of 2121210101110 is 111010121212.

It is a happy number.

It is a super-3 number, since 3×2121210101110³ (a number of 38 digits) contains 333 as substring.

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, 71599306 + ... + 71628925.

It is an arithmetic number, because the mean of its divisors is an integer number (238797269802).

Almost surely, 2^{2121210101110} is an apocalyptic number.

2121210101110 is a deficient number, since it is larger than the sum of its proper divisors (1699546215722).

2121210101110 is a wasteful number, since it uses less digits than its factorization.

2121210101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143229719.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2121210101110 its reverse (111010121212), we get a palindrome (2232220222322).

The spelling of 2121210101110 in words is "two trillion, one hundred twenty-one billion, two hundred ten million, one hundred one thousand, one hundred ten".