102222000101221 has 32 divisors (see below), whose sum is σ = 137263132919808. Its totient is φ = 73518806312640.

The previous prime is 102222000101219. The next prime is 102222000101257. The reversal of 102222000101221 is 122101000222201.

It is a happy number.

It is not a de Polignac number, because 102222000101221 - 2¹ = 102222000101219 is a prime.

It is a super-2 number, since 2×102222000101221² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102222000101195 and 102222000101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222000101281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4604200 + ... + 15021406.

It is an arithmetic number, because the mean of its divisors is an integer number (4289472903744).

Almost surely, 2^{102222000101221} is an apocalyptic number.

102222000101221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102222000101221 is a deficient number, since it is larger than the sum of its proper divisors (35041132818587).

102222000101221 is a wasteful number, since it uses less digits than its factorization.

102222000101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10427041.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102222000101221 its reverse (122101000222201), we get a palindrome (224323000323422).

The spelling of 102222000101221 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred one thousand, two hundred twenty-one".