1101012122211 has 8 divisors (see below), whose sum is σ = 1471605446160. Its totient is φ = 732213439872.

The previous prime is 1101012122149. The next prime is 1101012122239. The reversal of 1101012122211 is 1122212101011.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-1101012122211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101012122251) 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, 448658970 + ... + 448661423.

It is an arithmetic number, because the mean of its divisors is an integer number (183950680770).

Almost surely, 2^{1101012122211} is an apocalyptic number.

1101012122211 is a deficient number, since it is larger than the sum of its proper divisors (370593323949).

1101012122211 is an equidigital number, since it uses as much as digits as its factorization.

1101012122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897320805.

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

Adding to 1101012122211 its reverse (1122212101011), we get a palindrome (2223224223222).

The spelling of 1101012122211 in words is "one trillion, one hundred one billion, twelve million, one hundred twenty-two thousand, two hundred eleven".