1102012111021 has 8 divisors (see below), whose sum is σ = 1111110501600. Its totient is φ = 1092924115920.

The previous prime is 1102012111003. The next prime is 1102012111051. The reversal of 1102012111021 is 1201112102011.

It is a happy number.

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 1102012111021 - 2¹⁵ = 1102012078253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102012110992 and 1102012111010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102012111051) 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, 2385906 + ... + 2810083.

It is an arithmetic number, because the mean of its divisors is an integer number (138888812700).

Almost surely, 2^{1102012111021} is an apocalyptic number.

It is an amenable number.

1102012111021 is a deficient number, since it is larger than the sum of its proper divisors (9098390579).

1102012111021 is a wasteful number, since it uses less digits than its factorization.

1102012111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197739.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1102012111021 its reverse (1201112102011), we get a palindrome (2303124213032).

It can be divided in two parts, 110201 and 2111021, that added together give a palindrome (2221222).

The spelling of 1102012111021 in words is "one trillion, one hundred two billion, twelve million, one hundred eleven thousand, twenty-one".