101001210021223 has 4 divisors (see below), whose sum is σ = 101001238680168. Its totient is φ = 101001181362280.

The previous prime is 101001210021053. The next prime is 101001210021251. The reversal of 101001210021223 is 322120012100101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101001210021223 is a prime.

It is a super-2 number, since 2×101001210021223² (a number of 29 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 = 101001210021197 and 101001210021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001210025223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8156761 + ... + 16387042.

It is an arithmetic number, because the mean of its divisors is an integer number (25250309670042).

Almost surely, 2^{101001210021223} is an apocalyptic number.

101001210021223 is a deficient number, since it is larger than the sum of its proper divisors (28658945).

101001210021223 is an equidigital number, since it uses as much as digits as its factorization.

101001210021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28658944.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101001210021223 its reverse (322120012100101), we get a palindrome (423121222121324).

The spelling of 101001210021223 in words is "one hundred one trillion, one billion, two hundred ten million, twenty-one thousand, two hundred twenty-three".