111022100120002 has 4 divisors (see below), whose sum is σ = 166533150180006. Its totient is φ = 55511050060000.

The previous prime is 111022100119981. The next prime is 111022100120123. The reversal of 111022100120002 is 200021001220111.

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., 108680187150441 + 2341912969561 = 10424979^2 + 1530331^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755525029999 + ... + 27755525030002.

Almost surely, 2^{111022100120002} is an apocalyptic number.

111022100120002 is a deficient number, since it is larger than the sum of its proper divisors (55511050060004).

111022100120002 is an equidigital number, since it uses as much as digits as its factorization.

111022100120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55511050060003.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111022100120002 its reverse (200021001220111), we get a palindrome (311043101340113).

The spelling of 111022100120002 in words is "one hundred eleven trillion, twenty-two billion, one hundred million, one hundred twenty thousand, two".