2201022121001 has 4 divisors (see below), whose sum is σ = 2401115041104. Its totient is φ = 2000929200900.

The previous prime is 2201022120991. The next prime is 2201022121021. The reversal of 2201022121001 is 1001212201022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201022121001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201022121021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100046460035 + ... + 100046460056.

It is an arithmetic number, because the mean of its divisors is an integer number (600278760276).

Almost surely, 2^{2201022121001} is an apocalyptic number.

It is an amenable number.

2201022121001 is a deficient number, since it is larger than the sum of its proper divisors (200092920103).

2201022121001 is a wasteful number, since it uses less digits than its factorization.

2201022121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200092920102.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201022121001 its reverse (1001212201022), we get a palindrome (3202234322023).

The spelling of 2201022121001 in words is "two trillion, two hundred one billion, twenty-two million, one hundred twenty-one thousand, one".