10402221023 has 8 divisors (see below), whose sum is σ = 10950889200. Its totient is φ = 9853671168.

The previous prime is 10402220981. The next prime is 10402221043. The reversal of 10402221023 is 32012220401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10402221023 - 2³² = 6107253727 is a prime.

It is a super-2 number, since 2×10402221023² (a number of 21 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 = 10402220992 and 10402221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402221043) 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, 194465 + ... + 242117.

It is an arithmetic number, because the mean of its divisors is an integer number (1368861150).

Almost surely, 2^10402221023 is an apocalyptic number.

10402221023 is a deficient number, since it is larger than the sum of its proper divisors (548668177).

10402221023 is a wasteful number, since it uses less digits than its factorization.

10402221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59161.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10402221023 its reverse (32012220401), we get a palindrome (42414441424).

The spelling of 10402221023 in words is "ten billion, four hundred two million, two hundred twenty-one thousand, twenty-three".