1140121202231 has 4 divisors (see below), whose sum is σ = 1243768584264. Its totient is φ = 1036473820200.

The previous prime is 1140121202179. The next prime is 1140121202237. The reversal of 1140121202231 is 1322021210411.

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

It is a cyclic number.

It is not a de Polignac number, because 1140121202231 - 2⁶ = 1140121202167 is a prime.

It is a super-2 number, since 2×1140121202231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140121202237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51823691000 + ... + 51823691021.

It is an arithmetic number, because the mean of its divisors is an integer number (310942146066).

Almost surely, 2^{1140121202231} is an apocalyptic number.

1140121202231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1140121202231 is a deficient number, since it is larger than the sum of its proper divisors (103647382033).

1140121202231 is a wasteful number, since it uses less digits than its factorization.

1140121202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103647382032.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1140121202231 its reverse (1322021210411), we get a palindrome (2462142412642).

The spelling of 1140121202231 in words is "one trillion, one hundred forty billion, one hundred twenty-one million, two hundred two thousand, two hundred thirty-one".