1101202221212 has 24 divisors (see below), whose sum is σ = 2010947129856. Its totient is φ = 526647234608.

The previous prime is 1101202221211. The next prime is 1101202221221. The reversal of 1101202221212 is 2121222021011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101202221211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3609113 + ... + 3902319.

It is an arithmetic number, because the mean of its divisors is an integer number (83789463744).

Almost surely, 2^{1101202221212} is an apocalyptic number.

It is an amenable number.

1101202221212 is a deficient number, since it is larger than the sum of its proper divisors (909744908644).

1101202221212 is a wasteful number, since it uses less digits than its factorization.

1101202221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334057 (or 334055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1101202221212 its reverse (2121222021011), we get a palindrome (3222424242223).

It can be divided in two parts, 110120 and 2221212, that added together give a palindrome (2331332).

The spelling of 1101202221212 in words is "one trillion, one hundred one billion, two hundred two million, two hundred twenty-one thousand, two hundred twelve".