2111211210122 has 8 divisors (see below), whose sum is σ = 3619219217376. Its totient is φ = 904804804332.

The previous prime is 2111211210077. The next prime is 2111211210127. The reversal of 2111211210122 is 2210121121112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2111211210122.

It is not an unprimeable number, because it can be changed into a prime (2111211210127) 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, 75400400348 + ... + 75400400375.

It is an arithmetic number, because the mean of its divisors is an integer number (452402402172).

Almost surely, 2^{2111211210122} is an apocalyptic number.

2111211210122 is a deficient number, since it is larger than the sum of its proper divisors (1508008007254).

2111211210122 is a wasteful number, since it uses less digits than its factorization.

2111211210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150800800732.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2111211210122 its reverse (2210121121112), we get a palindrome (4321332331234).

The spelling of 2111211210122 in words is "two trillion, one hundred eleven billion, two hundred eleven million, two hundred ten thousand, one hundred twenty-two".