2101121201110 has 8 divisors (see below), whose sum is σ = 3782018162016. Its totient is φ = 840448480440.

The previous prime is 2101121201099. The next prime is 2101121201117. The reversal of 2101121201110 is 111021211012.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101121201117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105056060046 + ... + 105056060065.

It is an arithmetic number, because the mean of its divisors is an integer number (472752270252).

Almost surely, 2^{2101121201110} is an apocalyptic number.

2101121201110 is a deficient number, since it is larger than the sum of its proper divisors (1680896960906).

2101121201110 is a wasteful number, since it uses less digits than its factorization.

2101121201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210112120118.

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

Adding to 2101121201110 its reverse (111021211012), we get a palindrome (2212142412122).

The spelling of 2101121201110 in words is "two trillion, one hundred one billion, one hundred twenty-one million, two hundred one thousand, one hundred ten".