2221202021210 has 16 divisors (see below), whose sum is σ = 4054475803392. Its totient is φ = 875966994000.

The previous prime is 2221202021117. The next prime is 2221202021221. The reversal of 2221202021210 is 121202021222.

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, 1564226066 + ... + 1564227485.

It is an arithmetic number, because the mean of its divisors is an integer number (253404737712).

Almost surely, 2^{2221202021210} is an apocalyptic number.

2221202021210 is a deficient number, since it is larger than the sum of its proper divisors (1833273782182).

2221202021210 is a wasteful number, since it uses less digits than its factorization.

2221202021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128453629.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221202021210 its reverse (121202021222), we get a palindrome (2342404042432).

The spelling of 2221202021210 in words is "two trillion, two hundred twenty-one billion, two hundred two million, twenty-one thousand, two hundred ten".