11010222010021 has 8 divisors (see below), whose sum is σ = 11861255115864. Its totient is φ = 10159773611520.

The previous prime is 11010222010001. The next prime is 11010222010093. The reversal of 11010222010021 is 12001022201011.

It can be written as a sum of positive squares in 4 ways, for example, as 1027851268900 + 9982370741121 = 1013830^2 + 3159489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11010222010021 - 2¹⁷ = 11010221878949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010222009983 and 11010222010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010222010001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146137720 + ... + 146213041.

It is an arithmetic number, because the mean of its divisors is an integer number (1482656889483).

Almost surely, 2^{11010222010021} is an apocalyptic number.

It is an amenable number.

11010222010021 is a deficient number, since it is larger than the sum of its proper divisors (851033105843).

11010222010021 is a wasteful number, since it uses less digits than its factorization.

11010222010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292353671.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11010222010021 its reverse (12001022201011), we get a palindrome (23011244211032).

The spelling of 11010222010021 in words is "eleven trillion, ten billion, two hundred twenty-two million, ten thousand, twenty-one".