121023300213442 has 16 divisors (see below), whose sum is σ = 198049237150752. Its totient is φ = 55007505025920.

The previous prime is 121023300213419. The next prime is 121023300213481. The reversal of 121023300213442 is 244312003320121.

It is a self number, because there is not a number n which added to its sum of digits gives 121023300213442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153897903 + ... + 154682290.

It is an arithmetic number, because the mean of its divisors is an integer number (12378077321922).

Almost surely, 2^{121023300213442} is an apocalyptic number.

121023300213442 is a deficient number, since it is larger than the sum of its proper divisors (77025936937310).

121023300213442 is a wasteful number, since it uses less digits than its factorization.

121023300213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308598033.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 121023300213442 its reverse (244312003320121), we get a palindrome (365335303533563).

The spelling of 121023300213442 in words is "one hundred twenty-one trillion, twenty-three billion, three hundred million, two hundred thirteen thousand, four hundred forty-two".