1011210201001 has 64 divisors (see below), whose sum is σ = 1385037029376. Its totient is φ = 712849766400.

The previous prime is 1011210200971. The next prime is 1011210201007. The reversal of 1011210201001 is 1001020121101.

It is a cyclic number.

It is not a de Polignac number, because 1011210201001 - 2¹⁵ = 1011210168233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011210201007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9950436 + ... + 10051546.

It is an arithmetic number, because the mean of its divisors is an integer number (21641203584).

Almost surely, 2^{1011210201001} is an apocalyptic number.

1011210201001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1011210201001 is a deficient number, since it is larger than the sum of its proper divisors (373826828375).

1011210201001 is a wasteful number, since it uses less digits than its factorization.

1011210201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101342.

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

Adding to 1011210201001 its reverse (1001020121101), we get a palindrome (2012230322102).

It can be divided in two parts, 1011 and 210201001, that added together give a palindrome (210202012).

The spelling of 1011210201001 in words is "one trillion, eleven billion, two hundred ten million, two hundred one thousand, one".