212111202222010 has 64 divisors (see below), whose sum is σ = 473607956570112. Its totient is φ = 66601118820096.

The previous prime is 212111202221983. The next prime is 212111202222037. The reversal of 212111202222010 is 10222202111212.

It is an interprime number because it is at equal distance from previous prime (212111202221983) and next prime (212111202222037).

It is a super-2 number, since 2×212111202222010² (a number of 29 digits) contains 22 as substring.

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, 917558577 + ... + 917789716.

It is an arithmetic number, because the mean of its divisors is an integer number (7400124321408).

Almost surely, 2^{212111202222010} is an apocalyptic number.

212111202222010 is an abundant number, since it is smaller than the sum of its proper divisors (261496754348102).

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

212111202222010 is a wasteful number, since it uses less digits than its factorization.

212111202222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835348447.

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

Adding to 212111202222010 its reverse (10222202111212), we get a palindrome (222333404333222).

It can be divided in two parts, 212111202 and 222010, that added together give a palindrome (212333212).

The spelling of 212111202222010 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred two million, two hundred twenty-two thousand, ten".