1211110000022 has 16 divisors (see below), whose sum is σ = 1959432304032. Its totient is φ = 558109891200.

The previous prime is 1211109999973. The next prime is 1211110000049. The reversal of 1211110000022 is 2200000111121.

It is a junction number, because it is equal to n+sod(n) for n = 1211109999958 and 1211110000012.

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, 35980979 + ... + 36014622.

It is an arithmetic number, because the mean of its divisors is an integer number (122464519002).

Almost surely, 2^{1211110000022} is an apocalyptic number.

1211110000022 is a deficient number, since it is larger than the sum of its proper divisors (748322304010).

1211110000022 is a wasteful number, since it uses less digits than its factorization.

1211110000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71996263.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1211110000022 its reverse (2200000111121), we get a palindrome (3411110111143).

The spelling of 1211110000022 in words is "one trillion, two hundred eleven billion, one hundred ten million, twenty-two", and thus it is an aban number.