1011200120222 has 4 divisors (see below), whose sum is σ = 1516800180336. Its totient is φ = 505600060110.

The previous prime is 1011200120171. The next prime is 1011200120321. The reversal of 1011200120222 is 2220210021101.

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

It is a junction number, because it is equal to n+sod(n) for n = 1011200120197 and 1011200120206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252800030054 + ... + 252800030057.

It is an arithmetic number, because the mean of its divisors is an integer number (379200045084).

Almost surely, 2^{1011200120222} is an apocalyptic number.

1011200120222 is a deficient number, since it is larger than the sum of its proper divisors (505600060114).

1011200120222 is an equidigital number, since it uses as much as digits as its factorization.

1011200120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505600060113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1011200120222 its reverse (2220210021101), we get a palindrome (3231410141323).

The spelling of 1011200120222 in words is "one trillion, eleven billion, two hundred million, one hundred twenty thousand, two hundred twenty-two".