111402221241250 has 20 divisors (see below), whose sum is σ = 208812323496942. Its totient is φ = 44560888496000.

The previous prime is 111402221241197. The next prime is 111402221241293. The reversal of 111402221241250 is 52142122204111.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 88305848569 + 111313915392681 = 297163^2 + 10550541^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44560887247 + ... + 44560889746.

Almost surely, 2^{111402221241250} is an apocalyptic number.

111402221241250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111402221241250 is a deficient number, since it is larger than the sum of its proper divisors (97410102255692).

111402221241250 is an frugal number, since it uses more digits than its factorization.

111402221241250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89121777015 (or 89121777000 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

Adding to 111402221241250 its reverse (52142122204111), we get a palindrome (163544343445361).

The spelling of 111402221241250 in words is "one hundred eleven trillion, four hundred two billion, two hundred twenty-one million, two hundred forty-one thousand, two hundred fifty".