142221041000 has 64 divisors (see below), whose sum is σ = 334790426880. Its totient is φ = 56547700800.

The previous prime is 142221040991. The next prime is 142221041009. The reversal of 142221041000 is 140122241.

It is an interprime number because it is at equal distance from previous prime (142221040991) and next prime (142221041009).

It is a self number, because there is not a number n which added to its sum of digits gives 142221041000.

It is not an unprimeable number, because it can be changed into a prime (142221041009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258812 + ... + 592811.

It is an arithmetic number, because the mean of its divisors is an integer number (5231100420).

Almost surely, 2^142221041000 is an apocalyptic number.

142221041000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142221041000 is an abundant number, since it is smaller than the sum of its proper divisors (192569385880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142221041000 is a wasteful number, since it uses less digits than its factorization.

142221041000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851811 (or 851797 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 142221041000 its reverse (140122241), we get a palindrome (142361163241).

The spelling of 142221041000 in words is "one hundred forty-two billion, two hundred twenty-one million, forty-one thousand".