1000021011110 has 32 divisors (see below), whose sum is σ = 1972105473312. Its totient is φ = 362083290880.

The previous prime is 1000021011107. The next prime is 1000021011113. The reversal of 1000021011110 is 111101200001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1000021011107) and next prime (1000021011113).

It is a super-2 number, since 2×1000021011110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000021011113) 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, 19483169 + ... + 19534428.

It is an arithmetic number, because the mean of its divisors is an integer number (61628296041).

Almost surely, 2^{1000021011110} is an apocalyptic number.

1000021011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000021011110 is a deficient number, since it is larger than the sum of its proper divisors (972084462202).

1000021011110 is a wasteful number, since it uses less digits than its factorization.

1000021011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39017848.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1000021011110 its reverse (111101200001), we get a palindrome (1111122211111).

The spelling of 1000021011110 in words is "one trillion, twenty-one million, eleven thousand, one hundred ten".