121011221220122 has 8 divisors (see below), whose sum is σ = 181519871321376. Its totient is φ = 60504597446332.

The previous prime is 121011221220107. The next prime is 121011221220191. The reversal of 121011221220122 is 221022122110121.

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

It is a super-2 number, since 2×121011221220122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121011221220094 and 121011221220103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506432558 + ... + 506671449.

It is an arithmetic number, because the mean of its divisors is an integer number (22689983915172).

Almost surely, 2^{121011221220122} is an apocalyptic number.

121011221220122 is a deficient number, since it is larger than the sum of its proper divisors (60508650101254).

121011221220122 is a wasteful number, since it uses less digits than its factorization.

121011221220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013163732.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121011221220122 its reverse (221022122110121), we get a palindrome (342033343330243).

The spelling of 121011221220122 in words is "one hundred twenty-one trillion, eleven billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twenty-two".