101231220201222 has 16 divisors (see below), whose sum is σ = 203752010088432. Its totient is φ = 33528811786080.

The previous prime is 101231220201193. The next prime is 101231220201227. The reversal of 101231220201222 is 222102022132101.

It is a super-3 number, since 3×101231220201222³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101231220201227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53732069229 + ... + 53732071112.

It is an arithmetic number, because the mean of its divisors is an integer number (12734500630527).

Almost surely, 2^{101231220201222} is an apocalyptic number.

101231220201222 is an abundant number, since it is smaller than the sum of its proper divisors (102520789887210).

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

101231220201222 is a wasteful number, since it uses less digits than its factorization.

101231220201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107464140503.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 101231220201222 its reverse (222102022132101), we get a palindrome (323333242333323).

The spelling of 101231220201222 in words is "one hundred one trillion, two hundred thirty-one billion, two hundred twenty million, two hundred one thousand, two hundred twenty-two".