211202210121122 has 16 divisors (see below), whose sum is σ = 345705055961472. Its totient is φ = 95972826989520.

The previous prime is 211202210121109. The next prime is 211202210121163. The reversal of 211202210121122 is 221121012202112.

It is a junction number, because it is equal to n+sod(n) for n = 211202210121094 and 211202210121103.

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, 1408803893 + ... + 1408953800.

It is an arithmetic number, because the mean of its divisors is an integer number (21606565997592).

Almost surely, 2^{211202210121122} is an apocalyptic number.

211202210121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211202210121122 is a deficient number, since it is larger than the sum of its proper divisors (134502845840350).

211202210121122 is a wasteful number, since it uses less digits than its factorization.

211202210121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817761113.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211202210121122 its reverse (221121012202112), we get a palindrome (432323222323234).

The spelling of 211202210121122 in words is "two hundred eleven trillion, two hundred two billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-two".