2111212120022 has 4 divisors (see below), whose sum is σ = 3166818180036. Its totient is φ = 1055606060010.

The previous prime is 2111212120009. The next prime is 2111212120037. The reversal of 2111212120022 is 2200212121112.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527803030004 + ... + 527803030007.

It is an arithmetic number, because the mean of its divisors is an integer number (791704545009).

Almost surely, 2^{2111212120022} is an apocalyptic number.

2111212120022 is a deficient number, since it is larger than the sum of its proper divisors (1055606060014).

2111212120022 is a wasteful number, since it uses less digits than its factorization.

2111212120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055606060013.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2111212120022 its reverse (2200212121112), we get a palindrome (4311424241134).

The spelling of 2111212120022 in words is "two trillion, one hundred eleven billion, two hundred twelve million, one hundred twenty thousand, twenty-two".