2210002121101 has 4 divisors (see below), whose sum is σ = 2210178355804. Its totient is φ = 2209825886400.

The previous prime is 2210002121087. The next prime is 2210002121111. The reversal of 2210002121101 is 1011212000122.

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 1912896455625 + 297105665476 = 1383075^2 + 545074^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210002121101 - 2⁷ = 2210002120973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210002121111) 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, 88098540 + ... + 88123621.

It is an arithmetic number, because the mean of its divisors is an integer number (552544588951).

Almost surely, 2^{2210002121101} is an apocalyptic number.

It is an amenable number.

2210002121101 is a deficient number, since it is larger than the sum of its proper divisors (176234703).

2210002121101 is a wasteful number, since it uses less digits than its factorization.

2210002121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176234702.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2210002121101 its reverse (1011212000122), we get a palindrome (3221214121223).

The spelling of 2210002121101 in words is "two trillion, two hundred ten billion, two million, one hundred twenty-one thousand, one hundred one".