110102101122021 has 8 divisors (see below), whose sum is σ = 146890865570784. Its totient is φ = 73357368710640.

The previous prime is 110102101121993. The next prime is 110102101122029. The reversal of 110102101122021 is 120221101201011.

It is a happy number.

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

It is not a de Polignac number, because 110102101122021 - 2¹⁰ = 110102101120997 is a prime.

It is a super-2 number, since 2×110102101122021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110102101122029) 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, 11008003510 + ... + 11008013511.

It is an arithmetic number, because the mean of its divisors is an integer number (18361358196348).

Almost surely, 2^{110102101122021} is an apocalyptic number.

It is an amenable number.

110102101122021 is a deficient number, since it is larger than the sum of its proper divisors (36788764448763).

110102101122021 is a wasteful number, since it uses less digits than its factorization.

110102101122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22016018691.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 110102101122021 its reverse (120221101201011), we get a palindrome (230323202323032).

The spelling of 110102101122021 in words is "one hundred ten trillion, one hundred two billion, one hundred one million, one hundred twenty-two thousand, twenty-one".