1211110022122 has 32 divisors (see below), whose sum is σ = 2439158649984. Its totient is φ = 435564043200.

The previous prime is 1211110022113. The next prime is 1211110022141. The reversal of 1211110022122 is 2212200111121.

It is a junction number, because it is equal to n+sod(n) for n = 1211110022096 and 1211110022105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 302473029 + ... + 302477032.

It is an arithmetic number, because the mean of its divisors is an integer number (76223707812).

Almost surely, 2^{1211110022122} is an apocalyptic number.

1211110022122 is an abundant number, since it is smaller than the sum of its proper divisors (1228048627862).

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

1211110022122 is a wasteful number, since it uses less digits than its factorization.

1211110022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604950094.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1211110022122 its reverse (2212200111121), we get a palindrome (3423310133243).

The spelling of 1211110022122 in words is "one trillion, two hundred eleven billion, one hundred ten million, twenty-two thousand, one hundred twenty-two".