2122012211398 has 8 divisors (see below), whose sum is σ = 3199683335040. Its totient is φ = 1055451099720.

The previous prime is 2122012211387. The next prime is 2122012211399. The reversal of 2122012211398 is 8931122102212.

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

It is a super-2 number, since 2×2122012211398² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122012211399) 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, 2777502513 + ... + 2777503276.

It is an arithmetic number, because the mean of its divisors is an integer number (399960416880).

Almost surely, 2^{2122012211398} is an apocalyptic number.

2122012211398 is a deficient number, since it is larger than the sum of its proper divisors (1077671123642).

2122012211398 is a wasteful number, since it uses less digits than its factorization.

2122012211398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555005982.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 2122012211398 in words is "two trillion, one hundred twenty-two billion, twelve million, two hundred eleven thousand, three hundred ninety-eight".