1010111220001 has 8 divisors (see below), whose sum is σ = 1092604209984. Its totient is φ = 928302819600.

The previous prime is 1010111219981. The next prime is 1010111220011. The reversal of 1010111220001 is 1000221110101.

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

It is not a de Polignac number, because 1010111220001 - 2¹¹ = 1010111217953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010111220001.

It is not an unprimeable number, because it can be changed into a prime (1010111220011) 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, 171144325 + ... + 171150226.

It is an arithmetic number, because the mean of its divisors is an integer number (136575526248).

Almost surely, 2^{1010111220001} is an apocalyptic number.

It is an amenable number.

1010111220001 is a deficient number, since it is larger than the sum of its proper divisors (82492989983).

1010111220001 is a wasteful number, since it uses less digits than its factorization.

1010111220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342294791.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1010111220001 its reverse (1000221110101), we get a palindrome (2010332330102).

The spelling of 1010111220001 in words is "one trillion, ten billion, one hundred eleven million, two hundred twenty thousand, one".