1011224003021 has 2 divisors, whose sum is σ = 1011224003022. Its totient is φ = 1011224003020.

The previous prime is 1011224002963. The next prime is 1011224003029. The reversal of 1011224003021 is 1203004221101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679735940521 + 331488062500 = 824461^2 + 575750^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011224003021 - 2²² = 1011219808717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011224003029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505612001510 + 505612001511.

It is an arithmetic number, because the mean of its divisors is an integer number (505612001511).

Almost surely, 2^{1011224003021} is an apocalyptic number.

It is an amenable number.

1011224003021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011224003021 is an equidigital number, since it uses as much as digits as its factorization.

1011224003021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1011224003021 its reverse (1203004221101), we get a palindrome (2214228224122).

The spelling of 1011224003021 in words is "one trillion, eleven billion, two hundred twenty-four million, three thousand, twenty-one".