121422143002 has 16 divisors (see below), whose sum is σ = 182644180992. Its totient is φ = 60540811600.

The previous prime is 121422142999. The next prime is 121422143009. The reversal of 121422143002 is 200341224121.

It is a super-2 number, since 2×121422143002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121422143009) 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, 5005968 + ... + 5030164.

It is an arithmetic number, because the mean of its divisors is an integer number (11415261312).

Almost surely, 2^121422143002 is an apocalyptic number.

121422143002 is a deficient number, since it is larger than the sum of its proper divisors (61222037990).

121422143002 is a wasteful number, since it uses less digits than its factorization.

121422143002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31133.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 121422143002 its reverse (200341224121), we get a palindrome (321763367123).

The spelling of 121422143002 in words is "one hundred twenty-one billion, four hundred twenty-two million, one hundred forty-three thousand, two".