2111211100022 has 4 divisors (see below), whose sum is σ = 3166816650036. Its totient is φ = 1055605550010.

The previous prime is 2111211100003. The next prime is 2111211100109. The reversal of 2111211100022 is 2200011121112.

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

It is a super-2 number, since 2×2111211100022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527802775004 + ... + 527802775007.

It is an arithmetic number, because the mean of its divisors is an integer number (791704162509).

Almost surely, 2^{2111211100022} is an apocalyptic number.

2111211100022 is a deficient number, since it is larger than the sum of its proper divisors (1055605550014).

2111211100022 is a wasteful number, since it uses less digits than its factorization.

2111211100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055605550013.

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

Adding to 2111211100022 its reverse (2200011121112), we get a palindrome (4311222221134).

The spelling of 2111211100022 in words is "two trillion, one hundred eleven billion, two hundred eleven million, one hundred thousand, twenty-two".