1223010110021 has 8 divisors (see below), whose sum is σ = 1471290358080. Its totient is φ = 993120991488.

The previous prime is 1223010110017. The next prime is 1223010110029. The reversal of 1223010110021 is 1200110103221.

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 1223010110021 - 2² = 1223010110017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223010109978 and 1223010110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223010110029) 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, 4597782236 + ... + 4597782501.

It is an arithmetic number, because the mean of its divisors is an integer number (183911294760).

Almost surely, 2^{1223010110021} is an apocalyptic number.

It is an amenable number.

1223010110021 is a deficient number, since it is larger than the sum of its proper divisors (248280248059).

1223010110021 is an equidigital number, since it uses as much as digits as its factorization.

1223010110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195564763.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1223010110021 its reverse (1200110103221), we get a palindrome (2423120213242).

The spelling of 1223010110021 in words is "one trillion, two hundred twenty-three billion, ten million, one hundred ten thousand, twenty-one".