101221102001222 has 16 divisors (see below), whose sum is σ = 181066319108352. Its totient is φ = 41494364795400.

The previous prime is 101221102001221. The next prime is 101221102001233. The reversal of 101221102001222 is 222100201122101.

It is a super-2 number, since 2×101221102001222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101221102001222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221102001221) 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, 157175623904 + ... + 157175624547.

It is an arithmetic number, because the mean of its divisors is an integer number (11316644944272).

Almost surely, 2^{101221102001222} is an apocalyptic number.

101221102001222 is a deficient number, since it is larger than the sum of its proper divisors (79845217107130).

101221102001222 is a wasteful number, since it uses less digits than its factorization.

101221102001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314351248483.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101221102001222 its reverse (222100201122101), we get a palindrome (323321303123323).

The spelling of 101221102001222 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred two million, one thousand, two hundred twenty-two".