1122021000001 has 16 divisors (see below), whose sum is σ = 1236086212608. Its totient is φ = 1009969218000.

The previous prime is 1122020999989. The next prime is 1122021000007. The reversal of 1122021000001 is 1000001202211.

It is a cyclic number.

It is not a de Polignac number, because 1122021000001 - 2⁵ = 1122020999969 is a prime.

It is a super-2 number, since 2×1122021000001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122021000007) 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, 8142526 + ... + 8279176.

It is an arithmetic number, because the mean of its divisors is an integer number (77255388288).

Almost surely, 2^{1122021000001} is an apocalyptic number.

1122021000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122021000001 is a deficient number, since it is larger than the sum of its proper divisors (114065212607).

1122021000001 is a wasteful number, since it uses less digits than its factorization.

1122021000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144012.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1122021000001 its reverse (1000001202211), we get a palindrome (2122022202212).

The spelling of 1122021000001 in words is "one trillion, one hundred twenty-two billion, twenty-one million, one", and thus it is an aban number.