1111010201021 has 16 divisors (see below), whose sum is σ = 1303504301568. Its totient is φ = 927061027200.

The previous prime is 1111010201009. The next prime is 1111010201051. The reversal of 1111010201021 is 1201020101111.

It is not a de Polignac number, because 1111010201021 - 2²² = 1111006006717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111010200993 and 1111010201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111010201051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4047590 + ... + 4313351.

It is an arithmetic number, because the mean of its divisors is an integer number (81469018848).

Almost surely, 2^{1111010201021} is an apocalyptic number.

It is an amenable number.

1111010201021 is a deficient number, since it is larger than the sum of its proper divisors (192494100547).

1111010201021 is an equidigital number, since it uses as much as digits as its factorization.

1111010201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361452.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111010201021 its reverse (1201020101111), we get a palindrome (2312030302132).

The spelling of 1111010201021 in words is "one trillion, one hundred eleven billion, ten million, two hundred one thousand, twenty-one".