1211000220002 has 16 divisors (see below), whose sum is σ = 1858823474112. Its totient is φ = 591393591600.

The previous prime is 1211000219987. The next prime is 1211000220077. The reversal of 1211000220002 is 2000220001121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1824608 + ... + 2398164.

It is an arithmetic number, because the mean of its divisors is an integer number (116176467132).

Almost surely, 2^{1211000220002} is an apocalyptic number.

1211000220002 is a deficient number, since it is larger than the sum of its proper divisors (647823254110).

1211000220002 is a wasteful number, since it uses less digits than its factorization.

1211000220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598153.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1211000220002 its reverse (2000220001121), we get a palindrome (3211220221123).

The spelling of 1211000220002 in words is "one trillion, two hundred eleven billion, two hundred twenty thousand, two".