1222101202120 has 32 divisors (see below), whose sum is σ = 2755129966200. Its totient is φ = 487880078848.

The previous prime is 1222101202117. The next prime is 1222101202141. The reversal of 1222101202120 is 212021012221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1218891073156 + 3210128964 = 1104034^2 + 56658^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222101202094 and 1222101202103.

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, 29991949 + ... + 30032668.

Almost surely, 2^{1222101202120} is an apocalyptic number.

1222101202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222101202120 is an abundant number, since it is smaller than the sum of its proper divisors (1533028764080).

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

1222101202120 is a wasteful number, since it uses less digits than its factorization.

1222101202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60025137 (or 60025133 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222101202120 its reverse (212021012221), we get a palindrome (1434122214341).

The spelling of 1222101202120 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred two thousand, one hundred twenty".