1110203010021 has 16 divisors (see below), whose sum is σ = 1791251915904. Its totient is φ = 597083971584.

The previous prime is 1110203010019. The next prime is 1110203010043. The reversal of 1110203010021 is 1200103020111.

It is not a de Polignac number, because 1110203010021 - 2¹ = 1110203010019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110203009979 and 1110203010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110203010121) 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 15 ways as a sum of consecutive naturals, for example, 1554905820 + ... + 1554906533.

It is an arithmetic number, because the mean of its divisors is an integer number (111953244744).

Almost surely, 2^{1110203010021} is an apocalyptic number.

It is an amenable number.

1110203010021 is a deficient number, since it is larger than the sum of its proper divisors (681048905883).

1110203010021 is a wasteful number, since it uses less digits than its factorization.

1110203010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109812380.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1110203010021 its reverse (1200103020111), we get a palindrome (2310306030132).

The spelling of 1110203010021 in words is "one trillion, one hundred ten billion, two hundred three million, ten thousand, twenty-one".