1020011220201 has 8 divisors (see below), whose sum is σ = 1360290453984. Its totient is φ = 679869733280.

The previous prime is 1020011220191. The next prime is 1020011220209. The reversal of 1020011220201 is 1020221100201.

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 1020011220201 - 2⁵ = 1020011220169 is a prime.

It is a super-4 number, since 4×1020011220201⁴ (a number of 49 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020011220209) 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, 34419435 + ... + 34449056.

It is an arithmetic number, because the mean of its divisors is an integer number (170036306748).

Almost surely, 2^{1020011220201} is an apocalyptic number.

It is an amenable number.

1020011220201 is a deficient number, since it is larger than the sum of its proper divisors (340279233783).

1020011220201 is an equidigital number, since it uses as much as digits as its factorization.

1020011220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68873431.

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

Adding to 1020011220201 its reverse (1020221100201), we get a palindrome (2040232320402).

The spelling of 1020011220201 in words is "one trillion, twenty billion, eleven million, two hundred twenty thousand, two hundred one".