1210112100001 has 16 divisors (see below), whose sum is σ = 1388474760960. Its totient is φ = 1033122447360.

The previous prime is 1210112099929. The next prime is 1210112100049. The reversal of 1210112100001 is 1000012110121.

It is a cyclic number.

It is not a de Polignac number, because 1210112100001 - 2¹⁵ = 1210112067233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1210112100061) 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, 40226796 + ... + 40256866.

It is an arithmetic number, because the mean of its divisors is an integer number (86779672560).

Almost surely, 2^{1210112100001} is an apocalyptic number.

It is an amenable number.

1210112100001 is a deficient number, since it is larger than the sum of its proper divisors (178362660959).

1210112100001 is a wasteful number, since it uses less digits than its factorization.

1210112100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52704.

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

Adding to 1210112100001 its reverse (1000012110121), we get a palindrome (2210124210122).

It can be divided in two parts, 1210 and 112100001, that added together give a palindrome (112101211).

The spelling of 1210112100001 in words is "one trillion, two hundred ten billion, one hundred twelve million, one hundred thousand, one".