102220121120111 has 8 divisors (see below), whose sum is σ = 108467848322064. Its totient is φ = 95998480462720.

The previous prime is 102220121120083. The next prime is 102220121120141. The reversal of 102220121120111 is 111021121022201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102220121120111 - 2²² = 102220116925807 is a prime.

It is a super-3 number, since 3×102220121120111³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102220121120111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220121120141) 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, 6521628065 + ... + 6521643738.

It is an arithmetic number, because the mean of its divisors is an integer number (13558481040258).

Almost surely, 2^{102220121120111} is an apocalyptic number.

102220121120111 is a deficient number, since it is larger than the sum of its proper divisors (6247727201953).

102220121120111 is a wasteful number, since it uses less digits than its factorization.

102220121120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13043272281.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102220121120111 its reverse (111021121022201), we get a palindrome (213241242142312).

The spelling of 102220121120111 in words is "one hundred two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, one hundred eleven".