2011121322023 has 32 divisors (see below), whose sum is σ = 2243944848960. Its totient is φ = 1787123036160.

The previous prime is 2011121321851. The next prime is 2011121322031. The reversal of 2011121322023 is 3202231211102.

It is not a de Polignac number, because 2011121322023 - 2⁸ = 2011121321767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011121321986 and 2011121322004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011121322073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67861973 + ... + 67891601.

It is an arithmetic number, because the mean of its divisors is an integer number (70123276530).

Almost surely, 2^{2011121322023} is an apocalyptic number.

2011121322023 is a deficient number, since it is larger than the sum of its proper divisors (232823526937).

2011121322023 is a wasteful number, since it uses less digits than its factorization.

2011121322023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30467.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2011121322023 its reverse (3202231211102), we get a palindrome (5213352533125).

The spelling of 2011121322023 in words is "two trillion, eleven billion, one hundred twenty-one million, three hundred twenty-two thousand, twenty-three".