1011200100222 has 32 divisors (see below), whose sum is σ = 2219063218848. Its totient is φ = 305267953536.

The previous prime is 1011200100199. The next prime is 1011200100223. The reversal of 1011200100222 is 2220010021101.

It is a junction number, because it is equal to n+sod(n) for n = 1011200100198 and 1011200100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011200100223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122298733 + ... + 122307000.

It is an arithmetic number, because the mean of its divisors is an integer number (69345725589).

Almost surely, 2^{1011200100222} is an apocalyptic number.

1011200100222 is an abundant number, since it is smaller than the sum of its proper divisors (1207863118626).

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

1011200100222 is a wasteful number, since it uses less digits than its factorization.

1011200100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244605804.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1011200100222 its reverse (2220010021101), we get a palindrome (3231210121323).

The spelling of 1011200100222 in words is "one trillion, eleven billion, two hundred million, one hundred thousand, two hundred twenty-two".