1210111020222 has 48 divisors (see below), whose sum is σ = 2705253032448. Its totient is φ = 360330815520.

The previous prime is 1210111020211. The next prime is 1210111020229. The reversal of 1210111020222 is 2220201110121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210111020229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19217008 + ... + 19279875.

It is an arithmetic number, because the mean of its divisors is an integer number (56359438176).

Almost surely, 2^{1210111020222} is an apocalyptic number.

1210111020222 is an abundant number, since it is smaller than the sum of its proper divisors (1495142012226).

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

1210111020222 is a wasteful number, since it uses less digits than its factorization.

1210111020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38496945 (or 38496932 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1210111020222 its reverse (2220201110121), we get a palindrome (3430312130343).

The spelling of 1210111020222 in words is "one trillion, two hundred ten billion, one hundred eleven million, twenty thousand, two hundred twenty-two".