1110202002121 has 8 divisors (see below), whose sum is σ = 1120442624840. Its totient is φ = 1099962384768.

The previous prime is 1110202002059. The next prime is 1110202002149. The reversal of 1110202002121 is 1212002020111.

It can be written as a sum of positive squares in 4 ways, for example, as 102208090000 + 1007993912121 = 319700^2 + 1003989^2 .

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 1110202002121 - 2¹¹ = 1110202000073 is a prime.

It is a super-3 number, since 3×1110202002121³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110202002521) 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, 2065405 + ... + 2546821.

It is an arithmetic number, because the mean of its divisors is an integer number (140055328105).

Almost surely, 2^{1110202002121} is an apocalyptic number.

It is an amenable number.

1110202002121 is a deficient number, since it is larger than the sum of its proper divisors (10240622719).

1110202002121 is a wasteful number, since it uses less digits than its factorization.

1110202002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502683.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1110202002121 its reverse (1212002020111), we get a palindrome (2322204022232).

The spelling of 1110202002121 in words is "one trillion, one hundred ten billion, two hundred two million, two thousand, one hundred twenty-one".