223101031021 has 16 divisors (see below), whose sum is σ = 253995056640. Its totient is φ = 193977791920.

The previous prime is 223101030953. The next prime is 223101031031. The reversal of 223101031021 is 120130101322.

It is not a de Polignac number, because 223101031021 - 2³⁷ = 85662077549 is a prime.

It is a super-3 number, since 3×223101031021³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223101030986 and 223101031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223101031031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2280450 + ... + 2376268.

It is an arithmetic number, because the mean of its divisors is an integer number (15874691040).

Almost surely, 2^223101031021 is an apocalyptic number.

It is an amenable number.

223101031021 is a deficient number, since it is larger than the sum of its proper divisors (30894025619).

223101031021 is a wasteful number, since it uses less digits than its factorization.

223101031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105056.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 223101031021 its reverse (120130101322), we get a palindrome (343231132343).

The spelling of 223101031021 in words is "two hundred twenty-three billion, one hundred one million, thirty-one thousand, twenty-one".