211220101100202 has 64 divisors (see below), whose sum is σ = 428185187721984. Its totient is φ = 69453957980160.

The previous prime is 211220101100161. The next prime is 211220101100221. The reversal of 211220101100202 is 202001101022112.

It is a super-2 number, since 2×211220101100202² (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, 4548115302 + ... + 4548161742.

It is an arithmetic number, because the mean of its divisors is an integer number (6690393558156).

Almost surely, 2^{211220101100202} is an apocalyptic number.

211220101100202 is an abundant number, since it is smaller than the sum of its proper divisors (216965086621782).

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

211220101100202 is a wasteful number, since it uses less digits than its factorization.

211220101100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71823.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211220101100202 its reverse (202001101022112), we get a palindrome (413221202122314).

The spelling of 211220101100202 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred one million, one hundred thousand, two hundred two".