1111412221240 has 64 divisors (see below), whose sum is σ = 2505470447520. Its totient is φ = 443713536000.

The previous prime is 1111412221141. The next prime is 1111412221253. The reversal of 1111412221240 is 421222141111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55116760 + ... + 55136920.

Almost surely, 2^{1111412221240} is an apocalyptic number.

1111412221240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111412221240 is an abundant number, since it is smaller than the sum of its proper divisors (1394058226280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111412221240 is a wasteful number, since it uses less digits than its factorization.

1111412221240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22744 (or 22740 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 1111412221240 its reverse (421222141111), we get a palindrome (1532634362351).

The spelling of 1111412221240 in words is "one trillion, one hundred eleven billion, four hundred twelve million, two hundred twenty-one thousand, two hundred forty".