1211121120022 has 16 divisors (see below), whose sum is σ = 1981933673472.
Its totient is φ = 550482068520.
The previous prime is 1211121119983. The next prime is 1211121120029. The reversal of 1211121120022 is 2200211211121.
Adding to 1211121120022 its reverse (2200211211121), we get a palindrome (3411332331143).
It is a junction number, because it is equal to n+sod(n) for n = 1211121119978 and 1211121120005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1211121120029) 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, 923358 + ... + 1809649.
It is an arithmetic number, because the mean of its divisors is an integer number (123870854592).
Almost surely, 21211121120022 is an apocalyptic number.
1211121120022 is a deficient number, since it is larger than the sum of its proper divisors (770812553450).
1211121120022 is a wasteful number, since it uses less digits than its factorization.
1211121120022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2753163.
The product of its (nonzero) digits is 32, while the sum is 16.
The spelling of 1211121120022 in words is "one trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twenty thousand, twenty-two".