2222311121012 has 6 divisors (see below), whose sum is σ = 3889044461778. Its totient is φ = 1111155560504.

The previous prime is 2222311120999. The next prime is 2222311121057. The reversal of 2222311121012 is 2101211132222.

It can be written as a sum of positive squares in only one way, i.e., 1876691765776 + 345619355236 = 1369924^2 + 587894^2 .

It is a super-2 number, since 2×2222311121012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277788890123 + ... + 277788890130.

It is an arithmetic number, because the mean of its divisors is an integer number (648174076963).

Almost surely, 2^{2222311121012} is an apocalyptic number.

It is an amenable number.

2222311121012 is a deficient number, since it is larger than the sum of its proper divisors (1666733340766).

2222311121012 is a wasteful number, since it uses less digits than its factorization.

2222311121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555577780257 (or 555577780255 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2222311121012 its reverse (2101211132222), we get a palindrome (4323522253234).

The spelling of 2222311121012 in words is "two trillion, two hundred twenty-two billion, three hundred eleven million, one hundred twenty-one thousand, twelve".