1010221211021 has 16 divisors (see below), whose sum is σ = 1113107728320. Its totient is φ = 909195006720.

The previous prime is 1010221211011. The next prime is 1010221211033. The reversal of 1010221211021 is 1201121220101.

It is not a de Polignac number, because 1010221211021 - 2¹⁰ = 1010221209997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010221210987 and 1010221211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010221211011) 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, 594671 + ... + 1540803.

It is an arithmetic number, because the mean of its divisors is an integer number (69569233020).

Almost surely, 2^{1010221211021} is an apocalyptic number.

1010221211021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010221211021 is a deficient number, since it is larger than the sum of its proper divisors (102886517299).

1010221211021 is a wasteful number, since it uses less digits than its factorization.

1010221211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947116.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1010221211021 its reverse (1201121220101), we get a palindrome (2211342431122).

The spelling of 1010221211021 in words is "one trillion, ten billion, two hundred twenty-one million, two hundred eleven thousand, twenty-one".