121402110233402 has 4 divisors (see below), whose sum is σ = 182103165350106. Its totient is φ = 60701055116700.

The previous prime is 121402110233363. The next prime is 121402110233441. The reversal of 121402110233402 is 204332011204121.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (121402110233363) and next prime (121402110233441).

It can be written as a sum of positive squares in only one way, i.e., 75782230679401 + 45619879554001 = 8705299^2 + 6754249^2 .

It is a super-3 number, since 3×121402110233402³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30350527558349 + ... + 30350527558352.

Almost surely, 2^{121402110233402} is an apocalyptic number.

121402110233402 is a deficient number, since it is larger than the sum of its proper divisors (60701055116704).

121402110233402 is an equidigital number, since it uses as much as digits as its factorization.

121402110233402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60701055116703.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121402110233402 its reverse (204332011204121), we get a palindrome (325734121437523).

The spelling of 121402110233402 in words is "one hundred twenty-one trillion, four hundred two billion, one hundred ten million, two hundred thirty-three thousand, four hundred two".