2021432312222 has 16 divisors (see below), whose sum is σ = 3051596399712. Its totient is φ = 1004234081760.

The previous prime is 2021432312203. The next prime is 2021432312257. The reversal of 2021432312222 is 2222132341202.

It is a junction number, because it is equal to n+sod(n) for n = 2021432312191 and 2021432312200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7651343 + ... + 7911125.

It is an arithmetic number, because the mean of its divisors is an integer number (190724774982).

Almost surely, 2^{2021432312222} is an apocalyptic number.

2021432312222 is a deficient number, since it is larger than the sum of its proper divisors (1030164087490).

2021432312222 is a wasteful number, since it uses less digits than its factorization.

2021432312222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284723.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2021432312222 its reverse (2222132341202), we get a palindrome (4243564653424).

The spelling of 2021432312222 in words is "two trillion, twenty-one billion, four hundred thirty-two million, three hundred twelve thousand, two hundred twenty-two".