1001010221115 has 32 divisors (see below), whose sum is σ = 1620982333440. Its totient is φ = 527451974784.

The previous prime is 1001010221089. The next prime is 1001010221119. The reversal of 1001010221115 is 5111220101001.

1001010221115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001010221115 - 2¹² = 1001010217019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1001010221094 and 1001010221103.

It is not an unprimeable number, because it can be changed into a prime (1001010221119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644004 + ... + 1554593.

It is an arithmetic number, because the mean of its divisors is an integer number (50655697920).

Almost surely, 2^{1001010221115} is an apocalyptic number.

1001010221115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1001010221115 is a deficient number, since it is larger than the sum of its proper divisors (619972112325).

1001010221115 is a wasteful number, since it uses less digits than its factorization.

1001010221115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198971.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 1001010221115 its reverse (5111220101001), we get a palindrome (6112230322116).

The spelling of 1001010221115 in words is "one trillion, one billion, ten million, two hundred twenty-one thousand, one hundred fifteen".