1022010220001 has 24 divisors (see below), whose sum is σ = 1082278856520. Its totient is φ = 964951916544.

The previous prime is 1022010219983. The next prime is 1022010220031. The reversal of 1022010220001 is 1000220102201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4284357025 + 1017725862976 = 65455^2 + 1008824^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1022010220001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1022010220031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138236561 + ... + 138243953.

It is an arithmetic number, because the mean of its divisors is an integer number (45094952355).

Almost surely, 2^{1022010220001} is an apocalyptic number.

It is an amenable number.

1022010220001 is a deficient number, since it is larger than the sum of its proper divisors (60268636519).

1022010220001 is an equidigital number, since it uses as much as digits as its factorization.

1022010220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673 (or 8654 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1022010220001 its reverse (1000220102201), we get a palindrome (2022230322202).

The spelling of 1022010220001 in words is "one trillion, twenty-two billion, ten million, two hundred twenty thousand, one".