1121100210122 has 4 divisors (see below), whose sum is σ = 1681650315186. Its totient is φ = 560550105060.

The previous prime is 1121100210121. The next prime is 1121100210157. The reversal of 1121100210122 is 2210120011211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1077196970161 + 43903239961 = 1037881^2 + 209531^2 .

It is a super-2 number, since 2×1121100210122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121100210097 and 1121100210106.

It is not an unprimeable number, because it can be changed into a prime (1121100210121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280275052529 + ... + 280275052532.

Almost surely, 2^{1121100210122} is an apocalyptic number.

1121100210122 is a deficient number, since it is larger than the sum of its proper divisors (560550105064).

1121100210122 is an equidigital number, since it uses as much as digits as its factorization.

1121100210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560550105063.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1121100210122 its reverse (2210120011211), we get a palindrome (3331220221333).

The spelling of 1121100210122 in words is "one trillion, one hundred twenty-one billion, one hundred million, two hundred ten thousand, one hundred twenty-two".