2120001211222 has 8 divisors (see below), whose sum is σ = 3180008714400. Its totient is φ = 1059998306424.

The previous prime is 2120001211061. The next prime is 2120001211267. The reversal of 2120001211222 is 2221121000212.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2120001211196 and 2120001211205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445804 + ... + 2106832.

It is an arithmetic number, because the mean of its divisors is an integer number (397501089300).

Almost surely, 2^{2120001211222} is an apocalyptic number.

2120001211222 is a deficient number, since it is larger than the sum of its proper divisors (1060007503178).

2120001211222 is a wasteful number, since it uses less digits than its factorization.

2120001211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299190.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120001211222 its reverse (2221121000212), we get a palindrome (4341122211434).

The spelling of 2120001211222 in words is "two trillion, one hundred twenty billion, one million, two hundred eleven thousand, two hundred twenty-two".