111222120201002 has 4 divisors (see below), whose sum is σ = 166833180301506. Its totient is φ = 55611060100500.

The previous prime is 111222120200897. The next prime is 111222120201013. The reversal of 111222120201002 is 200102021222111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 92730563568241 + 18491556632761 = 9629671^2 + 4300181^2 .

It is a super-2 number, since 2×111222120201002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27805530050249 + ... + 27805530050252.

Almost surely, 2^{111222120201002} is an apocalyptic number.

111222120201002 is a deficient number, since it is larger than the sum of its proper divisors (55611060100504).

111222120201002 is an equidigital number, since it uses as much as digits as its factorization.

111222120201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55611060100503.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111222120201002 its reverse (200102021222111), we get a palindrome (311324141423113).

The spelling of 111222120201002 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred twenty million, two hundred one thousand, two".