2121022323031 has 8 divisors (see below), whose sum is σ = 2140891151760. Its totient is φ = 2101154349888.

The previous prime is 2121022323029. The next prime is 2121022323053. The reversal of 2121022323031 is 1303232201212.

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 2121022323031 - 2¹ = 2121022323029 is a prime.

It is a super-2 number, since 2×2121022323031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121022322993 and 2121022323011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121022323071) 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, 5471725 + ... + 5846521.

It is an arithmetic number, because the mean of its divisors is an integer number (267611393970).

Almost surely, 2^{2121022323031} is an apocalyptic number.

2121022323031 is a deficient number, since it is larger than the sum of its proper divisors (19868828729).

2121022323031 is a wasteful number, since it uses less digits than its factorization.

2121022323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427793.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2121022323031 its reverse (1303232201212), we get a palindrome (3424254524243).

The spelling of 2121022323031 in words is "two trillion, one hundred twenty-one billion, twenty-two million, three hundred twenty-three thousand, thirty-one".