2211002022122 has 8 divisors (see below), whose sum is σ = 3322250873796. Its totient is φ = 1103585064192.

The previous prime is 2211002022079. The next prime is 2211002022137. The reversal of 2211002022122 is 2212202001122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2210987589721 + 14432401 = 1486939^2 + 3799^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2211002022122.

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, 957971993 + ... + 957974300.

Almost surely, 2^{2211002022122} is an apocalyptic number.

2211002022122 is a deficient number, since it is larger than the sum of its proper divisors (1111248851674).

2211002022122 is a wasteful number, since it uses less digits than its factorization.

2211002022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915946872.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2211002022122 its reverse (2212202001122), we get a palindrome (4423204023244).

The spelling of 2211002022122 in words is "two trillion, two hundred eleven billion, two million, twenty-two thousand, one hundred twenty-two".