212211011220202 has 16 divisors (see below), whose sum is σ = 318461821074432. Its totient is φ = 106057081327120.

The previous prime is 212211011220079. The next prime is 212211011220209. The reversal of 212211011220202 is 202022110112212.

It is a self number, because there is not a number n which added to its sum of digits gives 212211011220202.

It is not an unprimeable number, because it can be changed into a prime (212211011220209) 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, 38016423 + ... + 43239685.

It is an arithmetic number, because the mean of its divisors is an integer number (19903863817152).

Almost surely, 2^{212211011220202} is an apocalyptic number.

212211011220202 is a deficient number, since it is larger than the sum of its proper divisors (106250809854230).

212211011220202 is a wasteful number, since it uses less digits than its factorization.

212211011220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232533.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212211011220202 its reverse (202022110112212), we get a palindrome (414233121332414).

The spelling of 212211011220202 in words is "two hundred twelve trillion, two hundred eleven billion, eleven million, two hundred twenty thousand, two hundred two".