1211112022002 has 64 divisors (see below), whose sum is σ = 2511803105280. Its totient is φ = 388894665600.

The previous prime is 1211112021997. The next prime is 1211112022027. The reversal of 1211112022002 is 2002202111121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190393302 + ... + 190399662.

It is an arithmetic number, because the mean of its divisors is an integer number (39246923520).

Almost surely, 2^{1211112022002} is an apocalyptic number.

1211112022002 is an abundant number, since it is smaller than the sum of its proper divisors (1300691083278).

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

1211112022002 is a wasteful number, since it uses less digits than its factorization.

1211112022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10919.

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

Adding to 1211112022002 its reverse (2002202111121), we get a palindrome (3213314133123).

The spelling of 1211112022002 in words is "one trillion, two hundred eleven billion, one hundred twelve million, twenty-two thousand, two".