211201111001022 has 16 divisors (see below), whose sum is σ = 447249411531792. Its totient is φ = 66259172078720.

The previous prime is 211201111000991. The next prime is 211201111001099. The reversal of 211201111001022 is 220100111102112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211201111000992 and 211201111001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035299563629 + ... + 1035299563832.

It is an arithmetic number, because the mean of its divisors is an integer number (27953088220737).

Almost surely, 2^{211201111001022} is an apocalyptic number.

211201111001022 is an abundant number, since it is smaller than the sum of its proper divisors (236048300530770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211201111001022 is a wasteful number, since it uses less digits than its factorization.

211201111001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070599127483.

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

Adding to 211201111001022 its reverse (220100111102112), we get a palindrome (431301222103134).

The spelling of 211201111001022 in words is "two hundred eleven trillion, two hundred one billion, one hundred eleven million, one thousand, twenty-two".