1101210221211 has 8 divisors (see below), whose sum is σ = 1476482978880. Its totient is φ = 730038805512.

The previous prime is 1101210221183. The next prime is 1101210221257. The reversal of 1101210221211 is 1121220121011.

It is a happy number.

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

It is not a de Polignac number, because 1101210221211 - 2⁶ = 1101210221147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101210221291) 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, 1025334865 + ... + 1025335938.

It is an arithmetic number, because the mean of its divisors is an integer number (184560372360).

Almost surely, 2^{1101210221211} is an apocalyptic number.

1101210221211 is a deficient number, since it is larger than the sum of its proper divisors (375272757669).

1101210221211 is a wasteful number, since it uses less digits than its factorization.

1101210221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050670985.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1101210221211 its reverse (1121220121011), we get a palindrome (2222430342222).

The spelling of 1101210221211 in words is "one trillion, one hundred one billion, two hundred ten million, two hundred twenty-one thousand, two hundred eleven".