1011201023311 has 8 divisors (see below), whose sum is σ = 1019144801664. Its totient is φ = 1003260649560.

The previous prime is 1011201023303. The next prime is 1011201023333. The reversal of 1011201023311 is 1133201021101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011201023311 - 2³ = 1011201023303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011201023341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253155 + ... + 1444468.

It is an arithmetic number, because the mean of its divisors is an integer number (127393100208).

Almost surely, 2^{1011201023311} is an apocalyptic number.

1011201023311 is a deficient number, since it is larger than the sum of its proper divisors (7943778353).

1011201023311 is a wasteful number, since it uses less digits than its factorization.

1011201023311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702301.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1011201023311 its reverse (1133201021101), we get a palindrome (2144402044412).

The spelling of 1011201023311 in words is "one trillion, eleven billion, two hundred one million, twenty-three thousand, three hundred eleven".