1102123220231 has 4 divisors (see below), whose sum is σ = 1202316240264. Its totient is φ = 1001930200200.

The previous prime is 1102123220201. The next prime is 1102123220251. The reversal of 1102123220231 is 1320223212011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102123220231 - 2²² = 1102119025927 is a prime.

It is a super-2 number, since 2×1102123220231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102123220201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50096510000 + ... + 50096510021.

It is an arithmetic number, because the mean of its divisors is an integer number (300579060066).

Almost surely, 2^{1102123220231} is an apocalyptic number.

1102123220231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1102123220231 is a deficient number, since it is larger than the sum of its proper divisors (100193020033).

1102123220231 is a wasteful number, since it uses less digits than its factorization.

1102123220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100193020032.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1102123220231 its reverse (1320223212011), we get a palindrome (2422346432242).

The spelling of 1102123220231 in words is "one trillion, one hundred two billion, one hundred twenty-three million, two hundred twenty thousand, two hundred thirty-one".