10203112222222 has 16 divisors (see below), whose sum is σ = 15317953262640. Its totient is φ = 5097129726528.

The previous prime is 10203112222213. The next prime is 10203112222223. The reversal of 10203112222222 is 22222221130201.

It is a happy number.

It is a super-2 number, since 2×10203112222222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10203112222193 and 10203112222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203112222223) 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, 10171698 + ... + 11129674.

It is an arithmetic number, because the mean of its divisors is an integer number (957372078915).

Almost surely, 2^{10203112222222} is an apocalyptic number.

10203112222222 is a deficient number, since it is larger than the sum of its proper divisors (5114841040418).

10203112222222 is a wasteful number, since it uses less digits than its factorization.

10203112222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962595.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10203112222222 its reverse (22222221130201), we get a palindrome (32425333352423).

The spelling of 10203112222222 in words is "ten trillion, two hundred three billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twenty-two".