121421123002 has 8 divisors (see below), whose sum is σ = 184696919712. Its totient is φ = 59855483100.

The previous prime is 121421122951. The next prime is 121421123053. The reversal of 121421123002 is 200321124121.

It is an interprime number because it is at equal distance from previous prime (121421122951) and next prime (121421123053).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121421123002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427539024 + ... + 427539307.

It is an arithmetic number, because the mean of its divisors is an integer number (23087114964).

Almost surely, 2^121421123002 is an apocalyptic number.

121421123002 is a deficient number, since it is larger than the sum of its proper divisors (63275796710).

121421123002 is an equidigital number, since it uses as much as digits as its factorization.

121421123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855078404.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121421123002 its reverse (200321124121), we get a palindrome (321742247123).

The spelling of 121421123002 in words is "one hundred twenty-one billion, four hundred twenty-one million, one hundred twenty-three thousand, two".