1020000221147 has 2 divisors, whose sum is σ = 1020000221148. Its totient is φ = 1020000221146.

The previous prime is 1020000221117. The next prime is 1020000221231. The reversal of 1020000221147 is 7411220000201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020000221147 - 2⁸ = 1020000220891 is a prime.

It is a super-2 number, since 2×1020000221147² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020000221117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510000110573 + 510000110574.

It is an arithmetic number, because the mean of its divisors is an integer number (510000110574).

Almost surely, 2^{1020000221147} is an apocalyptic number.

1020000221147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020000221147 is an equidigital number, since it uses as much as digits as its factorization.

1020000221147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 1020000221147 its reverse (7411220000201), we get a palindrome (8431220221348).

The spelling of 1020000221147 in words is "one trillion, twenty billion, two hundred twenty-one thousand, one hundred forty-seven".