1002211111023 has 8 divisors (see below), whose sum is σ = 1337236656000. Its totient is φ = 667663153368.

The previous prime is 1002211111019. The next prime is 1002211111037. The reversal of 1002211111023 is 3201111122001.

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

It is not a de Polignac number, because 1002211111023 - 2² = 1002211111019 is a prime.

It is a super-2 number, since 2×1002211111023² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1002211110993 and 1002211111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002211111043) 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, 119391933 + ... + 119400326.

It is an arithmetic number, because the mean of its divisors is an integer number (167154582000).

Almost surely, 2^{1002211111023} is an apocalyptic number.

1002211111023 is a deficient number, since it is larger than the sum of its proper divisors (335025544977).

1002211111023 is a wasteful number, since it uses less digits than its factorization.

1002211111023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238793661.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1002211111023 its reverse (3201111122001), we get a palindrome (4203322233024).

The spelling of 1002211111023 in words is "one trillion, two billion, two hundred eleven million, one hundred eleven thousand, twenty-three".