101211220221102 has 12 divisors (see below), whose sum is σ = 219290977145760. Its totient is φ = 33737073407028.

The previous prime is 101211220221091. The next prime is 101211220221157. The reversal of 101211220221102 is 201122022112101.

101211220221102 is a `hidden beast` number, since 1 + 0 + 1 + 211 + 220 + 221 + 10 + 2 = 666.

It is a super-2 number, since 2×101211220221102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5622845567839 = 101211220221102 / (1 + 0 + 1 + 2 + 1 + 1 + 2 + 2 + 0 + 2 + 2 + 1 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2811422783902 + ... + 2811422783937.

It is an arithmetic number, because the mean of its divisors is an integer number (18274248095480).

Almost surely, 2^{101211220221102} is an apocalyptic number.

101211220221102 is an abundant number, since it is smaller than the sum of its proper divisors (118079756924658).

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

101211220221102 is a wasteful number, since it uses less digits than its factorization.

101211220221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5622845567847 (or 5622845567844 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101211220221102 its reverse (201122022112101), we get a palindrome (302333242333203).

The spelling of 101211220221102 in words is "one hundred one trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty-one thousand, one hundred two".