10221102011021 has 16 divisors (see below), whose sum is σ = 11443114819968. Its totient is φ = 9050850619200.

The previous prime is 10221102011017. The next prime is 10221102011023. The reversal of 10221102011021 is 12011020112201.

It is a cyclic number.

It is not a de Polignac number, because 10221102011021 - 2² = 10221102011017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221102010987 and 10221102011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221102011023) 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, 73875746 + ... + 74013971.

It is an arithmetic number, because the mean of its divisors is an integer number (715194676248).

Almost surely, 2^{10221102011021} is an apocalyptic number.

10221102011021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221102011021 is a deficient number, since it is larger than the sum of its proper divisors (1222012808947).

10221102011021 is a wasteful number, since it uses less digits than its factorization.

10221102011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147889892.

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

Adding to 10221102011021 its reverse (12011020112201), we get a palindrome (22232122123222).

The spelling of 10221102011021 in words is "ten trillion, two hundred twenty-one billion, one hundred two million, eleven thousand, twenty-one".