2122212021390 has 48 divisors (see below), whose sum is σ = 5522726944800. Its totient is φ = 565412878656.

The previous prime is 2122212021373. The next prime is 2122212021407. The reversal of 2122212021390 is 931202122212.

2122212021390 is a `hidden beast` number, since 2 + 12 + 221 + 20 + 21 + 390 = 666.

It is an interprime number because it is at equal distance from previous prime (2122212021373) and next prime (2122212021407).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10531450 + ... + 10731069.

It is an arithmetic number, because the mean of its divisors is an integer number (115056811350).

Almost surely, 2^{2122212021390} is an apocalyptic number.

2122212021390 is an abundant number, since it is smaller than the sum of its proper divisors (3400514923410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122212021390 is a wasteful number, since it uses less digits than its factorization.

2122212021390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21263641 (or 21263638 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 2122212021390 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, twenty-one thousand, three hundred ninety".