1022100211211 has 4 divisors (see below), whose sum is σ = 1037355438312. Its totient is φ = 1006844984112.

The previous prime is 1022100211133. The next prime is 1022100211241. The reversal of 1022100211211 is 1121120012201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022100211211 is a prime.

It is a super-3 number, since 3×1022100211211³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022100211241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7627613450 + ... + 7627613583.

It is an arithmetic number, because the mean of its divisors is an integer number (259338859578).

Almost surely, 2^{1022100211211} is an apocalyptic number.

1022100211211 is a deficient number, since it is larger than the sum of its proper divisors (15255227101).

1022100211211 is an equidigital number, since it uses as much as digits as its factorization.

1022100211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15255227100.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1022100211211 its reverse (1121120012201), we get a palindrome (2143220223412).

The spelling of 1022100211211 in words is "one trillion, twenty-two billion, one hundred million, two hundred eleven thousand, two hundred eleven".