1020012202201 has 4 divisors (see below), whose sum is σ = 1020059444404. Its totient is φ = 1019964960000.

The previous prime is 1020012202163. The next prime is 1020012202213. The reversal of 1020012202201 is 1022022100201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 922942568601 + 97069633600 = 960699^2 + 311560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020012202201 - 2¹³ = 1020012194009 is a prime.

It is a super-3 number, since 3×1020012202201³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020012202291) 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, 23588700 + ... + 23631901.

It is an arithmetic number, because the mean of its divisors is an integer number (255014861101).

Almost surely, 2^{1020012202201} is an apocalyptic number.

It is an amenable number.

1020012202201 is a deficient number, since it is larger than the sum of its proper divisors (47242203).

1020012202201 is an equidigital number, since it uses as much as digits as its factorization.

1020012202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47242202.

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

Adding to 1020012202201 its reverse (1022022100201), we get a palindrome (2042034302402).

The spelling of 1020012202201 in words is "one trillion, twenty billion, twelve million, two hundred two thousand, two hundred one".