1000001012022 has 48 divisors (see below), whose sum is σ = 2313684247680. Its totient is φ = 311457484800.

The previous prime is 1000001012011. The next prime is 1000001012029. The reversal of 1000001012022 is 2202101000001.

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 = 1000001011995 and 1000001012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000001012029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30882379 + ... + 30914742.

It is an arithmetic number, because the mean of its divisors is an integer number (48201755160).

Almost surely, 2^{1000001012022} is an apocalyptic number.

1000001012022 is an abundant number, since it is smaller than the sum of its proper divisors (1313683235658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000001012022 is a wasteful number, since it uses less digits than its factorization.

1000001012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61797189 (or 61797186 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000001012022 its reverse (2202101000001), we get a palindrome (3202102012023).

The spelling of 1000001012022 in words is "one trillion, one million, twelve thousand, twenty-two".