2101221022202 has 8 divisors (see below), whose sum is σ = 3152200496256. Its totient is φ = 1050487523452.

The previous prime is 2101221022189. The next prime is 2101221022253. The reversal of 2101221022202 is 2022201221012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61472468 + ... + 61506639.

It is an arithmetic number, because the mean of its divisors is an integer number (394025062032).

Almost surely, 2^{2101221022202} is an apocalyptic number.

2101221022202 is a deficient number, since it is larger than the sum of its proper divisors (1050979474054).

2101221022202 is a wasteful number, since it uses less digits than its factorization.

2101221022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122987652.

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

Adding to 2101221022202 its reverse (2022201221012), we get a palindrome (4123422243214).

The spelling of 2101221022202 in words is "two trillion, one hundred one billion, two hundred twenty-one million, twenty-two thousand, two hundred two".