1022201210001 has 4 divisors (see below), whose sum is σ = 1362934946672. Its totient is φ = 681467473332.

The previous prime is 1022201209979. The next prime is 1022201210003. The reversal of 1022201210001 is 1000121022201.

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 not a de Polignac number, because 1022201210001 - 2¹³ = 1022201201809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022201210003) 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, 170366868331 + ... + 170366868336.

It is an arithmetic number, because the mean of its divisors is an integer number (340733736668).

Almost surely, 2^{1022201210001} is an apocalyptic number.

It is an amenable number.

1022201210001 is a deficient number, since it is larger than the sum of its proper divisors (340733736671).

1022201210001 is an equidigital number, since it uses as much as digits as its factorization.

1022201210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340733736670.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1022201210001 its reverse (1000121022201), we get a palindrome (2022322232202).

The spelling of 1022201210001 in words is "one trillion, twenty-two billion, two hundred one million, two hundred ten thousand, one".