1000022101011 has 32 divisors (see below), whose sum is σ = 1497543690240. Its totient is φ = 659482387200.

The previous prime is 1000022100977. The next prime is 1000022101019. The reversal of 1000022101011 is 1101012200001.

It is a happy number.

It is not a de Polignac number, because 1000022101011 - 2²² = 1000017906707 is a prime.

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 = 1000022100984 and 1000022101002.

It is not an unprimeable number, because it can be changed into a prime (1000022101019) 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, 2336131 + ... + 2730851.

It is an arithmetic number, because the mean of its divisors is an integer number (46798240320).

Almost surely, 2^{1000022101011} is an apocalyptic number.

1000022101011 is a deficient number, since it is larger than the sum of its proper divisors (497521589229).

1000022101011 is a wasteful number, since it uses less digits than its factorization.

1000022101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395744 (or 395738 counting only the distinct ones).

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

Adding to 1000022101011 its reverse (1101012200001), we get a palindrome (2101034301012).

The spelling of 1000022101011 in words is "one trillion, twenty-two million, one hundred one thousand, eleven".