1000022121001 has 8 divisors (see below), whose sum is σ = 1005295108608. Its totient is φ = 994749522000.

The previous prime is 1000022120963. The next prime is 1000022121029. The reversal of 1000022121001 is 1001212200001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000022121001 - 2⁷ = 1000022120873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000022121061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6101991 + ... + 6263731.

It is an arithmetic number, because the mean of its divisors is an integer number (125661888576).

Almost surely, 2^{1000022121001} is an apocalyptic number.

It is an amenable number.

1000022121001 is a deficient number, since it is larger than the sum of its proper divisors (5272987607).

1000022121001 is a wasteful number, since it uses less digits than its factorization.

1000022121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194303.

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

Adding to 1000022121001 its reverse (1001212200001), we get a palindrome (2001234321002).

The spelling of 1000022121001 in words is "one trillion, twenty-two million, one hundred twenty-one thousand, one".