1022201002021 has 8 divisors (see below), whose sum is σ = 1066778866944. Its totient is φ = 977634332400.

The previous prime is 1022201001973. The next prime is 1022201002103. The reversal of 1022201002021 is 1202001022201.

It is a happy number.

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 1022201002021 - 2⁷ = 1022201001893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022201001992 and 1022201002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022201002321) 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, 2611966 + ... + 2977711.

It is an arithmetic number, because the mean of its divisors is an integer number (133347358368).

Almost surely, 2^{1022201002021} is an apocalyptic number.

It is an amenable number.

1022201002021 is a deficient number, since it is larger than the sum of its proper divisors (44577864923).

1022201002021 is an equidigital number, since it uses as much as digits as its factorization.

1022201002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597651.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1022201002021 its reverse (1202001022201), we get a palindrome (2224202024222).

The spelling of 1022201002021 in words is "one trillion, twenty-two billion, two hundred one million, two thousand, twenty-one".