2211020222122 has 16 divisors (see below), whose sum is σ = 3515805881280. Its totient is φ = 1039239947968.

The previous prime is 2211020222113. The next prime is 2211020222129. The reversal of 2211020222122 is 2212220201122.

It is a super-2 number, since 2×2211020222122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2211020222122.

It is not an unprimeable number, because it can be changed into a prime (2211020222129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38725948 + ... + 38782999.

It is an arithmetic number, because the mean of its divisors is an integer number (219737867580).

Almost surely, 2^{2211020222122} is an apocalyptic number.

2211020222122 is a deficient number, since it is larger than the sum of its proper divisors (1304785659158).

2211020222122 is a wasteful number, since it uses less digits than its factorization.

2211020222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77509805.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2211020222122 its reverse (2212220201122), we get a palindrome (4423240423244).

The spelling of 2211020222122 in words is "two trillion, two hundred eleven billion, twenty million, two hundred twenty-two thousand, one hundred twenty-two".