212210022221202 has 16 divisors (see below), whose sum is σ = 446757941518560. Its totient is φ = 67013691227712.

The previous prime is 212210022221201. The next prime is 212210022221231. The reversal of 212210022221202 is 202122220012212.

It is a super-2 number, since 2×212210022221202² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212210022221201) 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, 930745711383 + ... + 930745711610.

It is an arithmetic number, because the mean of its divisors is an integer number (27922371344910).

Almost surely, 2^{212210022221202} is an apocalyptic number.

212210022221202 is an abundant number, since it is smaller than the sum of its proper divisors (234547919297358).

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

212210022221202 is a wasteful number, since it uses less digits than its factorization.

212210022221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861491423017.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212210022221202 its reverse (202122220012212), we get a palindrome (414332242233414).

The spelling of 212210022221202 in words is "two hundred twelve trillion, two hundred ten billion, twenty-two million, two hundred twenty-one thousand, two hundred two".