1111222212202 has 16 divisors (see below), whose sum is σ = 1706331772512. Its totient is φ = 542544322320.

The previous prime is 1111222212181. The next prime is 1111222212209. The reversal of 1111222212202 is 2022122221111.

It is a super-2 number, since 2×1111222212202² (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 1111222212202.

It is not an unprimeable number, because it can be changed into a prime (1111222212209) 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, 24819408 + ... + 24864139.

It is an arithmetic number, because the mean of its divisors is an integer number (106645735782).

Almost surely, 2^{1111222212202} is an apocalyptic number.

1111222212202 is a deficient number, since it is larger than the sum of its proper divisors (595109560310).

1111222212202 is a wasteful number, since it uses less digits than its factorization.

1111222212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49683813.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1111222212202 its reverse (2022122221111), we get a palindrome (3133344433313).

The spelling of 1111222212202 in words is "one trillion, one hundred eleven billion, two hundred twenty-two million, two hundred twelve thousand, two hundred two".