1210012211101 has 8 divisors (see below), whose sum is σ = 1249117126400. Its totient is φ = 1170911812320.

The previous prime is 1210012211099. The next prime is 1210012211143. The reversal of 1210012211101 is 1011122100121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1210012211101 - 2¹ = 1210012211099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210012251101) 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, 580416 + ... + 1660393.

It is an arithmetic number, because the mean of its divisors is an integer number (156139640800).

Almost surely, 2^{1210012211101} is an apocalyptic number.

It is an amenable number.

1210012211101 is a deficient number, since it is larger than the sum of its proper divisors (39104915299).

1210012211101 is a wasteful number, since it uses less digits than its factorization.

1210012211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258259.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1210012211101 its reverse (1011122100121), we get a palindrome (2221134311222).

The spelling of 1210012211101 in words is "one trillion, two hundred ten billion, twelve million, two hundred eleven thousand, one hundred one".