1211011101022 has 8 divisors (see below), whose sum is σ = 1835243627616. Its totient is φ = 599263225152.

The previous prime is 1211011100951. The next prime is 1211011101067. The reversal of 1211011101022 is 2201011101121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1211011100993 and 1211011101011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3121162438 + ... + 3121162825.

It is an arithmetic number, because the mean of its divisors is an integer number (229405453452).

Almost surely, 2^{1211011101022} is an apocalyptic number.

1211011101022 is a deficient number, since it is larger than the sum of its proper divisors (624232526594).

1211011101022 is an equidigital number, since it uses as much as digits as its factorization.

1211011101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242325362.

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

Adding to 1211011101022 its reverse (2201011101121), we get a palindrome (3412022202143).

Subtracting 1211011101022 from its reverse (2201011101121), we obtain a palindrome (990000000099).

The spelling of 1211011101022 in words is "one trillion, two hundred eleven billion, eleven million, one hundred one thousand, twenty-two".