11012120103131 has 4 divisors (see below), whose sum is σ = 12585280117872. Its totient is φ = 9438960088392.

The previous prime is 11012120103121. The next prime is 11012120103197. The reversal of 11012120103131 is 13130102121011.

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 11012120103131 - 2⁶ = 11012120103067 is a prime.

It is a super-2 number, since 2×11012120103131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11012120103121) 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, 786580007360 + ... + 786580007373.

It is an arithmetic number, because the mean of its divisors is an integer number (3146320029468).

Almost surely, 2^{11012120103131} is an apocalyptic number.

11012120103131 is a deficient number, since it is larger than the sum of its proper divisors (1573160014741).

11012120103131 is an equidigital number, since it uses as much as digits as its factorization.

11012120103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573160014740.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11012120103131 its reverse (13130102121011), we get a palindrome (24142222224142).

The spelling of 11012120103131 in words is "eleven trillion, twelve billion, one hundred twenty million, one hundred three thousand, one hundred thirty-one".