10211120001 has 12 divisors (see below), whose sum is σ = 15092405328. Its totient is φ = 6649101144.

The previous prime is 10211119999. The next prime is 10211120009. The reversal of 10211120001 is 10002111201.

It is a happy number.

It is not a de Polignac number, because 10211120001 - 2¹ = 10211119999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10211120009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13192275 + ... + 13193048.

It is an arithmetic number, because the mean of its divisors is an integer number (1257700444).

Almost surely, 2^10211120001 is an apocalyptic number.

It is an amenable number.

10211120001 is a deficient number, since it is larger than the sum of its proper divisors (4881285327).

10211120001 is a wasteful number, since it uses less digits than its factorization.

10211120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26385372 (or 26385369 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10211120001 its reverse (10002111201), we get a palindrome (20213231202).

The spelling of 10211120001 in words is "ten billion, two hundred eleven million, one hundred twenty thousand, one".