121145163202 has 16 divisors (see below), whose sum is σ = 211081972032. Its totient is φ = 51068218320.

The previous prime is 121145163197. The next prime is 121145163203. The reversal of 121145163202 is 202361541121.

It is a super-3 number, since 3×121145163202³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121145163203) 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, 70927228 + ... + 70928935.

It is an arithmetic number, because the mean of its divisors is an integer number (13192623252).

Almost surely, 2^121145163202 is an apocalyptic number.

121145163202 is a deficient number, since it is larger than the sum of its proper divisors (89936808830).

121145163202 is a wasteful number, since it uses less digits than its factorization.

121145163202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141856233.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 121145163202 in words is "one hundred twenty-one billion, one hundred forty-five million, one hundred sixty-three thousand, two hundred two".