121011020221202 has 4 divisors (see below), whose sum is σ = 181516530331806. Its totient is φ = 60505510110600.

The previous prime is 121011020221127. The next prime is 121011020221237. The reversal of 121011020221202 is 202122020110121.

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

It can be written as a sum of positive squares in only one way, i.e., 114525548158921 + 6485472062281 = 10701661^2 + 2546659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30252755055299 + ... + 30252755055302.

Almost surely, 2^{121011020221202} is an apocalyptic number.

121011020221202 is a deficient number, since it is larger than the sum of its proper divisors (60505510110604).

121011020221202 is an equidigital number, since it uses as much as digits as its factorization.

121011020221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60505510110603.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121011020221202 its reverse (202122020110121), we get a palindrome (323133040331323).

The spelling of 121011020221202 in words is "one hundred twenty-one trillion, eleven billion, twenty million, two hundred twenty-one thousand, two hundred two".