1001021112201 has 16 divisors (see below), whose sum is σ = 1474461480960. Its totient is φ = 598999973520.

The previous prime is 1001021112197. The next prime is 1001021112269. The reversal of 1001021112201 is 1022111201001.

1001021112201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001021112201 - 2² = 1001021112197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001021112101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191984565 + ... + 191989778.

It is an arithmetic number, because the mean of its divisors is an integer number (92153842560).

Almost surely, 2^{1001021112201} is an apocalyptic number.

1001021112201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1001021112201 is a deficient number, since it is larger than the sum of its proper divisors (473440368759).

1001021112201 is a wasteful number, since it uses less digits than its factorization.

1001021112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383974436.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1001021112201 its reverse (1022111201001), we get a palindrome (2023132313202).

The spelling of 1001021112201 in words is "one trillion, one billion, twenty-one million, one hundred twelve thousand, two hundred one".