1010000221011 has 40 divisors (see below), whose sum is σ = 1588778206400. Its totient is φ = 637652392560.

The previous prime is 1010000220923. The next prime is 1010000221057. The reversal of 1010000221011 is 1101220000101.

It is a happy number.

1010000221011 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1010000221011 - 2¹⁸ = 1009999958867 is a prime.

It is a super-3 number, since 3×1010000221011³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1010000220984 and 1010000221002.

It is not an unprimeable number, because it can be changed into a prime (1010000221211) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3968796 + ... + 4215606.

It is an arithmetic number, because the mean of its divisors is an integer number (39719455160).

Almost surely, 2^{1010000221011} is an apocalyptic number.

1010000221011 is a deficient number, since it is larger than the sum of its proper divisors (578777985389).

1010000221011 is a wasteful number, since it uses less digits than its factorization.

1010000221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249501 (or 249492 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1010000221011 its reverse (1101220000101), we get a palindrome (2111220221112).

The spelling of 1010000221011 in words is "one trillion, ten billion, two hundred twenty-one thousand, eleven".