121011202222 has 4 divisors (see below), whose sum is σ = 181516803336. Its totient is φ = 60505601110.

The previous prime is 121011202219. The next prime is 121011202241. The reversal of 121011202222 is 222202110121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×121011202222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121011202196 and 121011202205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30252800554 + ... + 30252800557.

It is an arithmetic number, because the mean of its divisors is an integer number (45379200834).

Almost surely, 2^121011202222 is an apocalyptic number.

121011202222 is a deficient number, since it is larger than the sum of its proper divisors (60505601114).

121011202222 is an equidigital number, since it uses as much as digits as its factorization.

121011202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60505601113.

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

Adding to 121011202222 its reverse (222202110121), we get a palindrome (343213312343).

The spelling of 121011202222 in words is "one hundred twenty-one billion, eleven million, two hundred two thousand, two hundred twenty-two".