1031201001111 has 16 divisors (see below), whose sum is σ = 1382774519808. Its totient is φ = 683550748800.

The previous prime is 1031201001097. The next prime is 1031201001143. The reversal of 1031201001111 is 1111001021301.

1031201001111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1031201001111 - 2⁵ = 1031201001079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031201001011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821860 + ... + 1654646.

It is an arithmetic number, because the mean of its divisors is an integer number (86423407488).

Almost surely, 2^{1031201001111} is an apocalyptic number.

1031201001111 is a deficient number, since it is larger than the sum of its proper divisors (351573518697).

1031201001111 is a wasteful number, since it uses less digits than its factorization.

1031201001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835142.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1031201001111 its reverse (1111001021301), we get a palindrome (2142202022412).

The spelling of 1031201001111 in words is "one trillion, thirty-one billion, two hundred one million, one thousand, one hundred eleven".