1101121102131 has 4 divisors (see below), whose sum is σ = 1468161469512. Its totient is φ = 734080734752.

The previous prime is 1101121102097. The next prime is 1101121102153. The reversal of 1101121102131 is 1312011211011.

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 1101121102131 - 2¹¹ = 1101121100083 is a prime.

It is a super-2 number, since 2×1101121102131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1101121102131.

It is not an unprimeable number, because it can be changed into a prime (1101121102331) 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, 183520183686 + ... + 183520183691.

It is an arithmetic number, because the mean of its divisors is an integer number (367040367378).

Almost surely, 2^{1101121102131} is an apocalyptic number.

1101121102131 is a deficient number, since it is larger than the sum of its proper divisors (367040367381).

1101121102131 is an equidigital number, since it uses as much as digits as its factorization.

1101121102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367040367380.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1101121102131 its reverse (1312011211011), we get a palindrome (2413132313142).

The spelling of 1101121102131 in words is "one trillion, one hundred one billion, one hundred twenty-one million, one hundred two thousand, one hundred thirty-one".