121011202122212 has 6 divisors (see below), whose sum is σ = 211769603713878. Its totient is φ = 60505601061104.

The previous prime is 121011202122211. The next prime is 121011202122241. The reversal of 121011202122212 is 212221202110121.

It can be written as a sum of positive squares in only one way, i.e., 119725481983396 + 1285720138816 = 10941914^2 + 1133896^2 .

It is a super-2 number, since 2×121011202122212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121011202122211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15126400265273 + ... + 15126400265280.

It is an arithmetic number, because the mean of its divisors is an integer number (35294933952313).

Almost surely, 2^{121011202122212} is an apocalyptic number.

It is an amenable number.

121011202122212 is a deficient number, since it is larger than the sum of its proper divisors (90758401591666).

121011202122212 is a wasteful number, since it uses less digits than its factorization.

121011202122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30252800530557 (or 30252800530555 counting only the distinct ones).

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

Adding to 121011202122212 its reverse (212221202110121), we get a palindrome (333232404232333).

The spelling of 121011202122212 in words is "one hundred twenty-one trillion, eleven billion, two hundred two million, one hundred twenty-two thousand, two hundred twelve".