1031220101201 has 8 divisors (see below), whose sum is σ = 1091889809280. Its totient is φ = 970551471168.

The previous prime is 1031220101189. The next prime is 1031220101291. The reversal of 1031220101201 is 1021010221301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031220101201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031220101291) 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, 2532020 + ... + 2910938.

It is an arithmetic number, because the mean of its divisors is an integer number (136486226160).

Almost surely, 2^{1031220101201} is an apocalyptic number.

It is an amenable number.

1031220101201 is a deficient number, since it is larger than the sum of its proper divisors (60669708079).

1031220101201 is a wasteful number, since it uses less digits than its factorization.

1031220101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539023.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1031220101201 its reverse (1021010221301), we get a palindrome (2052230322502).

The spelling of 1031220101201 in words is "one trillion, thirty-one billion, two hundred twenty million, one hundred one thousand, two hundred one".