121202010122 has 32 divisors (see below), whose sum is σ = 199146332160. Its totient is φ = 55145478960.

The previous prime is 121202010121. The next prime is 121202010151. The reversal of 121202010122 is 221010202121.

It is a super-2 number, since 2×121202010122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121202010097 and 121202010106.

It is not an unprimeable number, because it can be changed into a prime (121202010121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636158 + ... + 804425.

It is an arithmetic number, because the mean of its divisors is an integer number (6223322880).

Almost surely, 2^121202010122 is an apocalyptic number.

121202010122 is a deficient number, since it is larger than the sum of its proper divisors (77944322038).

121202010122 is a wasteful number, since it uses less digits than its factorization.

121202010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440698.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121202010122 its reverse (221010202121), we get a palindrome (342212212243).

The spelling of 121202010122 in words is "one hundred twenty-one billion, two hundred two million, ten thousand, one hundred twenty-two".