1222000101100 has 36 divisors (see below), whose sum is σ = 2737280233408. Its totient is φ = 473032296000.

The previous prime is 1222000100983. The next prime is 1222000101103. The reversal of 1222000101100 is 11010002221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1222000101103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197093691 + ... + 197099890.

Almost surely, 2^{1222000101100} is an apocalyptic number.

1222000101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222000101100 is an abundant number, since it is smaller than the sum of its proper divisors (1515280132308).

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

1222000101100 is a wasteful number, since it uses less digits than its factorization.

1222000101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394193626 (or 394193619 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1222000101100 its reverse (11010002221), we get a palindrome (1233010103321).

The spelling of 1222000101100 in words is "one trillion, two hundred twenty-two billion, one hundred one thousand, one hundred".