2101211100022 has 8 divisors (see below), whose sum is σ = 3205237271400. Its totient is φ = 1032798676224.

The previous prime is 2101211099983. The next prime is 2101211100083. The reversal of 2101211100022 is 2200011121012.

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

It is a junction number, because it is equal to n+sod(n) for n = 2101211099975 and 2101211100011.

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, 8903436747 + ... + 8903436982.

It is an arithmetic number, because the mean of its divisors is an integer number (400654658925).

Almost surely, 2^{2101211100022} is an apocalyptic number.

2101211100022 is a deficient number, since it is larger than the sum of its proper divisors (1104026171378).

2101211100022 is a wasteful number, since it uses less digits than its factorization.

2101211100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17806873790.

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

Adding to 2101211100022 its reverse (2200011121012), we get a palindrome (4301222221034).

The spelling of 2101211100022 in words is "two trillion, one hundred one billion, two hundred eleven million, one hundred thousand, twenty-two".