2010211120121 has 4 divisors (see below), whose sum is σ = 2018838635892. Its totient is φ = 2001583604352.

The previous prime is 2010211120019. The next prime is 2010211120123. The reversal of 2010211120121 is 1210211120102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 788169308521 + 1222041811600 = 887789^2 + 1105460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010211120121 - 2²² = 2010206925817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010211120096 and 2010211120105.

It is not an unprimeable number, because it can be changed into a prime (2010211120123) 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, 4313757536 + ... + 4313758001.

It is an arithmetic number, because the mean of its divisors is an integer number (504709658973).

Almost surely, 2^{2010211120121} is an apocalyptic number.

It is an amenable number.

2010211120121 is a deficient number, since it is larger than the sum of its proper divisors (8627515771).

2010211120121 is an equidigital number, since it uses as much as digits as its factorization.

2010211120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8627515770.

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

Adding to 2010211120121 its reverse (1210211120102), we get a palindrome (3220422240223).

The spelling of 2010211120121 in words is "two trillion, ten billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty-one".