102060221542 has 8 divisors (see below), whose sum is σ = 157227908976. Its totient is φ = 49650918552.

The previous prime is 102060221537. The next prime is 102060221569. The reversal of 102060221542 is 245122060201.

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

It is a congruent number.

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, 689596018 + ... + 689596165.

It is an arithmetic number, because the mean of its divisors is an integer number (19653488622).

Almost surely, 2^102060221542 is an apocalyptic number.

102060221542 is a deficient number, since it is larger than the sum of its proper divisors (55167687434).

102060221542 is a wasteful number, since it uses less digits than its factorization.

102060221542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379192222.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 102060221542 its reverse (245122060201), we get a palindrome (347182281743).

The spelling of 102060221542 in words is "one hundred two billion, sixty million, two hundred twenty-one thousand, five hundred forty-two".