101222220021222 has 16 divisors (see below), whose sum is σ = 202487303626560. Its totient is φ = 33733596076392.

The previous prime is 101222220021199. The next prime is 101222220021271. The reversal of 101222220021222 is 222120022222101.

It is a super-2 number, since 2×101222220021222² (a number of 29 digits) contains 22 as substring.

It is a congruent 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, 1785951972 + ... + 1786008647.

It is an arithmetic number, because the mean of its divisors is an integer number (12655456476660).

Almost surely, 2^{101222220021222} is an apocalyptic number.

101222220021222 is an abundant number, since it is smaller than the sum of its proper divisors (101265083605338).

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

101222220021222 is a wasteful number, since it uses less digits than its factorization.

101222220021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571965347.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 101222220021222 its reverse (222120022222101), we get a palindrome (323342242243323).

The spelling of 101222220021222 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred twenty million, twenty-one thousand, two hundred twenty-two".