1010122220021 has 4 divisors (see below), whose sum is σ = 1010134090944. Its totient is φ = 1010110349100.

The previous prime is 1010122219979. The next prime is 1010122220047. The reversal of 1010122220021 is 1200222210101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010122220021 - 2¹⁸ = 1010121957877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010122219978 and 1010122220005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010122220221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5806895 + ... + 5978316.

It is an arithmetic number, because the mean of its divisors is an integer number (252533522736).

Almost surely, 2^{1010122220021} is an apocalyptic number.

It is an amenable number.

1010122220021 is a deficient number, since it is larger than the sum of its proper divisors (11870923).

1010122220021 is an equidigital number, since it uses as much as digits as its factorization.

1010122220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11870922.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1010122220021 its reverse (1200222210101), we get a palindrome (2210344430122).

The spelling of 1010122220021 in words is "one trillion, ten billion, one hundred twenty-two million, two hundred twenty thousand, twenty-one".